At the A1 level, you only need to know that 'roghan-e motor' means 'engine oil'. You should be able to recognize it on signs at gas stations or in a car's engine bay. At this stage, you might use it in very simple sentences like 'In roghan-e motor ast' (This is engine oil) or 'Man roghan-e motor mikham' (I want engine oil). You don't need to worry about the technical types of oil yet. Just focus on the fact that 'roghan' is oil and 'motor' is engine. Think of it as a basic 'survival' word if you are driving in an Iranian city. You might hear a gas station attendant say it while pointing to your car. If you can point to the oil dipstick and say 'roghan', you are doing great for A1! The key is to remember the 'e' sound in the middle, which connects the two words. It's one of the first compound nouns you will learn that uses the Ezafe construction, which is a building block of Persian grammar.
At the A2 level, you should be able to use 'roghan-e motor' in practical, everyday situations. This means knowing the verbs that go with it, like 'avaz kardan' (to change) and 'check kardan' (to check). You should be able to tell a mechanic 'Lotfan roghan-e motor ra avaz konid' (Please change the engine oil). You also start to learn adjectives to describe it, like 'siyah' (black/dirty) or 'taze' (fresh/new). At A2, you are expected to handle simple transactions at a service station. You might also recognize some brand names on the shelves. You understand that 'roghan' can mean many things, but in the context of a car, it always refers to the lubricant. You are beginning to see how Persian builds complex ideas by linking simple words together. If the oil light on your dashboard comes on, you should be able to explain the problem to someone using this term.
By B1, you can have more detailed conversations about car maintenance. You can discuss the frequency of oil changes, such as 'har panj hezar kilometr' (every five thousand kilometers). You can understand advice from a mechanic about why one brand might be better than another for your specific car model. At this level, you should be comfortable with the definite object marker 'ra' in sentences like 'Roghan-e motor ra key avaz kardid?' (When did you change the engine oil?). You also start to learn about related fluids like 'roghan-e tormoz' (brake fluid) and 'roghan-e gearbox' (transmission oil) and can distinguish between them. You can read a basic service manual or a maintenance sticker on your windshield. Your vocabulary is expanding to include concepts like 'ghalzat' (thickness/viscosity) and you can express preferences for certain types of oil based on the weather or your driving habits.
At the B2 level, you can understand technical discussions and advertisements for engine oil. You can comprehend the benefits of 'synthetic' vs 'mineral' oils and can use these terms in a conversation. You can follow a video tutorial on how to change your own oil in Persian. Your grammar is more sophisticated, allowing you to use conditional sentences like 'If I hadn't changed the oil, the engine would have been damaged.' You can also understand the social and economic context of the word—for example, how oil prices affect the transport industry in Iran. You might participate in online forums or social media groups where car enthusiasts discuss the best 'viskozite' for the Tehran summer. You are able to use the word in formal writing, such as an email to a car dealership or a report on vehicle maintenance. You are no longer just using the word; you are discussing the science and economy behind it.
At C1, you have a near-professional grasp of the term and its context. You can read and understand complex technical specifications, safety data sheets (SDS), and engineering reports related to lubricants. You understand the chemical properties of 'roghan-e motor', such as its 'shakhes-e viskozite' (viscosity index) and 'noghte-ye eshte'al' (flash point). You can engage in high-level debates about the environmental impact of used engine oil and the regulations for its disposal in Iran. You are familiar with the history of the Iranian oil industry and how 'roghan-e motor' production has evolved over the decades. You can use the word in metaphorical or literary contexts if they arise. Your pronunciation is flawless, including the tapped 'r' and the correct Ezafe. You can act as a translator in a technical setting, explaining mechanical issues involving lubrication to others. You understand the nuances between different industrial grades and can navigate the professional world of petroleum products with ease.
At the C2 level, your understanding of 'roghan-e motor' is indistinguishable from that of a native-speaking automotive engineer or a petroleum scientist. You can write scholarly articles or technical manuals about lubrication theory in Persian. You are aware of the most obscure technical terms and the latest innovations in the field, such as nanotechnology-based additives. You can navigate the legal and regulatory framework of the Iranian oil market, understanding the intricacies of 'standard-haye melli' (national standards). You can appreciate the linguistic evolution of the term and its place in the broader history of Persian technical vocabulary. You can speak eloquently about the strategic importance of base oil production to the Iranian economy. Whether you are discussing the molecular structure of a lubricant or its macro-economic implications, you do so with complete linguistic mastery and cultural depth. The word is no longer a 'vocabulary item' but a tool for complex intellectual expression.

روغن موتور 30秒了解

  • Roghan-e motor (engine oil) is the vital lubricant used in vehicles to reduce friction and cool the engine.
  • It is a compound noun in Persian using the Ezafe construction ('-e-') to link 'oil' and 'engine'.
  • Commonly used with verbs like 'avaz kardan' (to change) and 'check kardan' (to check) in daily life.
  • Essential for car maintenance, it comes in mineral and synthetic varieties, widely discussed in Iranian automotive culture.

The term روغن موتور (roghan-e motor) is a compound noun in Persian that literally translates to 'engine oil.' In the context of Iranian daily life and the broader Persian-speaking world, this term is fundamental to anyone who owns a vehicle or works in the automotive industry. It consists of two parts: 'روغن' (roghan), meaning oil or fat, and 'موتور' (motor), a loanword from French/English meaning engine. Together, they describe the vital lubricant used to reduce friction, clean, cool, and protect the internal components of an internal combustion engine. Understanding this word is not just about mechanics; it is a gateway to navigating urban life in Iran, where car culture is prevalent and maintenance is a frequent topic of conversation.

Literal Meaning
Oil of the engine (using the Ezafe construction '-e' to link the two words).

In Iran, the quality and brand of roghan-e motor are often discussed with great detail. Because of the extreme temperature variations in the Iranian plateau—from the scorching heat of the central deserts to the freezing winters of the Alborz and Zagros mountains—choosing the right viscosity is crucial. People don't just 'buy oil'; they 'change oil' (t'aviz-e roghan), which is a social and economic ritual. You will see signs for 'تعویض روغنی' (Ta'viz-e Roghani) or oil change shops on almost every major street in Tehran, Isfahan, or Mashhad. These shops are community hubs where drivers discuss the longevity of their vehicles and the rising costs of imported versus domestic brands like Behran or Iranol.

باید هر پنج هزار کیلومتر روغن موتور را عوض کنید.
(You must change the engine oil every five thousand kilometers.)

Beyond the mechanical, the term reflects the modernization of the Persian language. While 'roghan' is an ancient Persian word with roots in Middle Persian (roghen), 'motor' is a modern adoption. This linguistic blend mirrors Iran's own transition into an industrial society. When a mechanic tells you the 'roghan-e motor' is 'siyah shode' (has turned black), they are using a common diagnostic phrase indicating it's time for maintenance. The word is ubiquitous in manuals, television commercials, and even in political discussions regarding the domestic petrochemical industry, as Iran is a major producer of base oils.

Furthermore, the concept of 'roghan' extends into metaphors in Persian culture. While 'roghan-e motor' is technical, the idea of things running 'like oil' (mesl-e roghan) suggests smoothness and lack of friction. If a business deal or a project is going well, an Iranian might say 'kar-ha roo-ye ghaltak-e' (things are on the rollers), but the underlying necessity for lubrication is always implied. In a more literal sense, the price of engine oil is a frequent economic indicator for taxi drivers (ranandeh taxi), who form a significant part of the urban workforce. A hike in the price of روغن موتور can lead to discussions about fare increases and the overall state of the economy.

Technical Context
Refers specifically to lubricants used in cars, motorcycles, and heavy machinery, distinguishing it from hydraulic or gear oil.

این روغن موتور برای هوای سرد مناسب است.
(This engine oil is suitable for cold weather.)

In summary, روغن موتور is a term that bridges the gap between traditional vocabulary and modern technology. It is a staple of the 'A2' learner's vocabulary because it appears in every day practical situations—from gas station interactions to reading car maintenance stickers. It is a word that carries the weight of Iran's industrial identity and the daily logistical realities of its citizens. Whether you are talking to a mechanic in a dusty garage in south Tehran or reading a high-end automotive magazine, this term remains constant, serving as a vital piece of the linguistic 'oil' that keeps Persian conversations about technology moving smoothly.

Using روغن موتور in a sentence requires an understanding of basic Persian syntax, specifically the Ezafe construction and verb placement. In Persian, the verb usually comes at the end of the sentence. When you want to talk about checking, changing, or buying engine oil, you will use specific verbs like 'check kardan' (to check), 'avaz kardan' (to change), or 'kharidan' (to buy).

Action: Checking
سطح روغن موتور را چک کنید (Check the engine oil level).

The most common sentence structure involving this word is the 'Object + Ra + Verb' pattern. For example, 'Man roghan-e motor ra avaz kardam' (I changed the engine oil). Here, 'ra' is the definite object marker, indicating that you are talking about a specific instance of engine oil—usually the one in your car. In more formal contexts, such as a car manual, you might see 'تعویض روغن موتور الزامی است' (Changing the engine oil is mandatory). Note how the noun becomes the subject of a formal statement.

مکانیک گفت که روغن موتور ماشین شما خیلی کم شده است.
(The mechanic said that your car's engine oil has become very low.)

When describing the properties of the oil, you use adjectives following another Ezafe. For example, 'roghan-e motor-e ba-keyfiyat' (high-quality engine oil) or 'roghan-e motor-e arzan' (cheap engine oil). If you are at a shop, you might ask: 'Behtarin brand-e roghan-e motor chist?' (What is the best brand of engine oil?). This demonstrates how Persian chains nouns together using the 'e' sound to create complex descriptions. It is also important to note the difference between 'roghan-e motor' and other fluids. A common mistake is to simply say 'roghan' (oil), which could be confused with cooking oil in a kitchen context, though in a garage, the context makes it clear.

In hypothetical or conditional sentences, which are common when discussing maintenance, you might say: 'Agar roghan-e motor ra avaz nakoni, motor misoozad' (If you don't change the engine oil, the engine will burn/seize). This uses the subjunctive mood in the first clause, a key feature of intermediate Persian. Another common usage is in the passive voice: 'Roghan-e motor bayad har shish mah yek bar avaz shavad' (Engine oil must be changed once every six months). This structure is very common in instructional materials and professional advice.

Comparative Usage
این روغن موتور از آن یکی بهتر است (This engine oil is better than that one).

قیمت روغن موتور در سال گذشته دو برابر شده است.
(The price of engine oil has doubled in the past year.)

Finally, consider the imperative mood. When giving instructions to someone at a service station, you might say: 'Lotfan roghan-e motor-e mara check konid' (Please check my engine oil). Or, if you are teaching someone: 'Hichvaght roghan-e motor-e dagh ra lams nakon' (Never touch hot engine oil). These sentences show the versatility of the term across different grammatical moods and social situations, from polite requests to urgent warnings. Mastery of these patterns ensures that the learner can communicate effectively in any automotive context in a Persian-speaking environment.

If you are walking down the streets of a city like Tehran, you are most likely to encounter the word روغن موتور in two specific locations: the 'Aparati' (tire and fluid service shops) and the 'Pomp-e Benzin' (gas station). In Iran, gas stations are often full-service, and attendants might ask you, 'Roghan-e motor-etoon ro check konam?' (Shall I check your engine oil?). This is a very common auditory experience for any driver. The word is often shouted or spoken quickly, sometimes dropping the final 'r' in 'motor' in very thick colloquial accents, sounding more like 'roghan-e motoo'.

Location: The Mechanic Shop
You will hear mechanics discussing 'viskozite' (viscosity) or 'ghalzat' (thickness) of the oil.

Another major source of this vocabulary is Iranian television and radio. Advertising for engine oil brands is a massive industry. Brands like 'Behran', 'Sepahan', and 'Pars' run frequent commercials featuring sleek cars driving through diverse terrains, with a deep-voiced narrator emphasizing the protection provided by their roghan-e motor. These ads often use words like 'paki' (purity), 'ghodrat' (power), and 'mohafezat' (protection) in conjunction with the product name. Hearing these commercials helps learners associate the technical term with positive, high-performance imagery.

تبلیغات روغن موتور در تلویزیون ایران بسیار زیاد است.
(Advertisements for engine oil are very frequent on Iranian television.)

In the digital sphere, Iranian YouTube and Instagram are home to many 'khodro' (vehicle) enthusiasts. Influencers who review cars or provide DIY maintenance tips will use روغن موتور repeatedly. They might compare 'roghan-e mineral' (mineral oil) with 'roghan-e synthetic' (synthetic oil). For a learner, these videos are excellent for hearing the word used in a natural, fast-paced, and modern context. You'll also hear it in the news, particularly when there are reports on the export of petroleum products or fluctuations in the commodities market, as base oil is a significant Iranian export.

Socially, among friends or family, if someone's car breaks down, the first question asked is often 'Roghan-esh ro check kardi?' (Did you check its oil?). It's part of the common parlance of troubleshooting. Even in literature or cinema, a character working as a mechanic or a driver will use this term to ground the scene in reality. For example, in the famous Iranian film 'Taxi' by Jafar Panahi, the conversations within the car occasionally touch upon the practicalities of car maintenance, including the necessity of good oil. Thus, the word is not just technical; it's a thread in the fabric of everyday Iranian social interaction.

News Context
قیمت پایه روغن موتور در بورس کالا اعلام شد (The base price of engine oil was announced on the commodity exchange).

پدرم همیشه بهترین روغن موتور را برای ماشینش می‌خرد.
(My father always buys the best engine oil for his car.)

Finally, if you visit an industrial park or a 'shahr-e san'ati', the signs for oil blending plants and distribution centers will prominently feature روغن موتور. It is a word that signifies industry, movement, and the mechanical heartbeat of the country. For a learner, recognizing this word on a billboard or hearing it in a bustling garage provides a sense of immersion and practical competence in the Persian language that goes beyond textbook phrases.

One of the most frequent mistakes English speakers make when learning روغن موتور is forgetting the Ezafe. In English, we say 'engine oil' (noun-noun), but in Persian, you must connect them with the '-e-' sound: 'roghan-e motor'. Saying 'roghan motor' without the link sounds broken and ungrammatical to a native ear. It is like saying 'oil engine' instead of 'oil of engine'.

Mistake: Omitting the Ezafe
Incorrect: روغن موتور (Roghan Motor) | Correct: روغنِ موتور (Roghan-e Motor)

Another common error is lexical confusion. Persian uses the word 'roghan' for many things: 'roghan-e nabati' (vegetable oil), 'roghan-e zeytun' (olive oil), and even 'roghan-e jala' (varnish). While context usually helps, using just 'roghan' at a supermarket might lead someone to point you toward the cooking aisle, whereas at a gas station, it's fine. However, a learner should be specific. Also, do not confuse 'motor' with 'mashin' (car). While you might say 'car oil' in English, in Persian, it is almost exclusively 'engine oil' (roghan-e motor), not 'roghan-e mashin'.

اشتباه: من برای پختن غذا به روغن موتور نیاز دارم!
(Mistake: I need engine oil to cook food! - Use 'roghan-e ghaza' instead.)

Pronunciation can also be a pitfall. The 'r' in Persian is tapped or rolled, unlike the English 'r'. Learners often use the American 'r' in 'motor', which makes the word sound very foreign. To sound more native, try to tap the 'r' at the end of 'motor' against the roof of your mouth. Additionally, the 'o' sounds in 'motor' are long and stable (like in 'go'), not reduced as they often are in English. Incorrectly shortening these vowels can make the word unrecognizable in a noisy garage environment.

Usage of the verb 'avaz kardan' vs. 'taghyir dadan' is another subtle point. While both mean 'to change', 'avaz kardan' is the standard term for replacing a physical item like oil. Using 'taghyir dadan' (which means to modify or alter) would sound very strange. You are not modifying the oil; you are swapping the old for the new. Similarly, using the verb 'shostan' (to wash) to mean 'flushing the engine' is incorrect; the term for a flush is usually 'shostoshoo-ye dakheli' or simply using a 'motor-shoo' additive.

Verb Confusion
Don't say 'Roghan ra taghyir midaham'. Say 'Roghan ra avaz mikonam'.

اشتباه: این روغن موتور خیلی خوشمزه است.
(Mistake: This engine oil is very delicious. - Never confuse industrial and edible oils!)

Lastly, learners sometimes struggle with the plural. While you might talk about 'oils' (types of oil) in English, in Persian, 'roghan' is often used as an uncountable noun in daily speech. Saying 'roghan-ha-ye motor' is grammatically possible but sounds overly academic or like you are talking about a laboratory inventory. In most cases, stick to the singular 'roghan-e motor' even if you are referring to multiple bottles or brands. Keeping these nuances in mind will help you avoid the 'foreign' sound and communicate with the precision of a native speaker.

While روغن موتور is the standard term, there are several related words that a learner should know to navigate the automotive world effectively. The most common alternative is simply روغن (roghan) when the context is already established as automotive. However, to be more technical, one might use روان‌ساز (ravansaz), which means 'lubricant'. This is a more formal, academic term used in engineering textbooks or high-end technical specifications, but rarely in a garage.

Roghan vs. Ravansaz
'Roghan' is the everyday word for oil; 'Ravansaz' is the technical term for any lubricant (including grease and fluids).

Another important distinction is between the types of oil. You will often hear روغن صنعتی (roghan-e san'ati), which means industrial oil. This is a broader category that includes engine oil but also oils for turbines, compressors, and hydraulic systems. If you are in a large factory, you might use this term. For car enthusiasts, the distinction between روغن سنتتیک (roghan-e synthetic) and روغن معدنی (roghan-e ma'dani - mineral oil) is vital. These loanwords are used exactly as they are in English, but with Persian pronunciation.

من ترجیح می‌دهم از روغن سنتتیک استفاده کنم چون طول عمر بیشتری دارد.
(I prefer to use synthetic oil because it has a longer lifespan.)

There are also other 'oils' in a car that should not be confused with engine oil. روغن گیربکس (roghan-e gearbox) or روغن واسکازین (roghan-e vaskazin) refers to transmission fluid. 'Vaskazin' is an interesting term, likely derived from a brand name or an older European technical term, and is used specifically for heavy gear oils. Then there is روغن ترمز (roghan-e tormoz), which is brake fluid. Even though it is called 'oil' in Persian, it is chemically very different. Finally, روغن هیدرولیک (roghan-e hydraulic) is used for power steering systems.

In a more informal or slang context, mechanics might refer to the oil's condition using descriptive words. Instead of saying the oil is 'bad', they might say it has 'mazeh' (lit. taste/quality) or that it is 'sookhte' (burnt). While not synonyms for the word 'oil' itself, these terms are part of the same semantic field. Understanding these alternatives allows a learner to not only ask for what they need but also to understand the nuances of what a professional is telling them about their vehicle's health.

Related Fluids
  • روغن ترمز (Brake Fluid)
  • روغن گیربکس (Gearbox Oil)
  • روغن هیدرولیک (Hydraulic Oil)
  • ضدیخ (Antifreeze - though not an oil, often checked at the same time)

سطح روغن هیدرولیک را هم چک کردید؟
(Did you check the hydraulic oil level as well?)

To wrap up, while 'roghan-e motor' is your primary term, being aware of 'ravansaz' for formal contexts, 'vaskazin' for the gearbox, and the specific types like 'synthetic' will make you sound much more proficient. It shows that you understand the categorizations used in the Iranian automotive market and can distinguish between the various vital fluids that keep a machine running. This depth of vocabulary is what separates a beginner from a confident intermediate speaker in practical, real-world situations.

按水平分级的例句

1

این روغن موتور است.

This is engine oil.

Simple 'Subject + Noun + Verb' structure.

2

روغن موتور کجاست؟

Where is the engine oil?

Basic question word 'koja' (where).

3

من روغن موتور می‌خواهم.

I want engine oil.

Present tense of 'khastan' (to want).

4

روغن موتور گران است.

Engine oil is expensive.

Adjective 'geran' (expensive) following the noun.

5

این روغن موتور خوب است.

This engine oil is good.

Simple descriptive sentence.

6

روغن موتور را ببین.

Look at the engine oil.

Imperative mood of 'didam' (to see).

7

ماشین روغن موتور ندارد.

The car does not have engine oil.

Negative form of 'dashtan' (to have).

8

روغن موتور زرد است.

Engine oil is yellow.

Color adjective usage.

1

لطفاً روغن موتور را چک کنید.

Please check the engine oil.

Polite imperative with 'lotfan'.

2

باید روغن موتور را عوض کنیم.

We must change the engine oil.

Modal verb 'bayad' (must) with 'avaz konim'.

3

روغن موتور خیلی سیاه شده است.

The engine oil has become very black.

Present perfect tense of 'shodan' (to become).

4

کدام برند روغن موتور بهتر است؟

Which brand of engine oil is better?

Interrogative 'kodam' (which) and comparative 'behtar'.

5

من دیروز روغن موتور خریدم.

I bought engine oil yesterday.

Simple past tense of 'kharidan'.

6

روغن موتور برای ماشین لازم است.

Engine oil is necessary for the car.

Use of 'lazem' (necessary).

7

آیا شما روغن موتور سنتتیک دارید؟

Do you have synthetic engine oil?

Question with 'aya' and technical loanword.

8

سطح روغن موتور پایین است.

The engine oil level is low.

Compound subject 'sath-e roghan-e motor'.

1

اگر روغن موتور را عوض نکنی، موتور خراب می‌شود.

If you don't change the engine oil, the engine will break.

Conditional sentence type 1.

2

این روغن موتور برای موتورهای دیزلی مناسب نیست.

This engine oil is not suitable for diesel engines.

Adjective 'monaseb' (suitable) with preposition 'baraye'.

3

او همیشه روغن موتور را خودش عوض می‌کند.

He always changes the engine oil himself.

Reflexive pronoun 'khodash' (himself).

4

قیمت روغن موتور در این فروشگاه ارزان‌تر است.

The price of engine oil is cheaper in this shop.

Comparative adjective 'arzan-tar'.

5

مکانیک گفت که روغن موتور نشت می‌کند.

The mechanic said that the engine oil is leaking.

Reported speech with 'goft ke'.

6

من برای خرید روغن موتور به تعویض روغنی رفتم.

I went to the oil change shop to buy engine oil.

Purpose clause with 'baraye'.

7

روغن موتور باید هر شش ماه یک بار بررسی شود.

Engine oil must be checked once every six months.

Passive voice 'barresi shavad'.

8

استفاده از روغن موتور باکیفیت عمر ماشین را زیاد می‌کند.

Using high-quality engine oil increases the car's life.

Gerund-like usage 'estefade az' (using).

1

غلظت این روغن موتور برای فصل زمستان بسیار زیاد است.

The viscosity of this engine oil is too high for the winter season.

Technical term 'ghalzat' (viscosity/thickness).

2

روغن موتورهای تمام سنتتیک عملکرد بهتری در دمای بالا دارند.

Fully synthetic engine oils have better performance at high temperatures.

Compound adjective 'tamam-synthetic' (fully synthetic).

3

تولید روغن موتور در ایران یک صنعت استراتژیک محسوب می‌شود.

Engine oil production is considered a strategic industry in Iran.

Passive construction 'mahsoob mishavad' (is considered).

4

قبل از سفر طولانی، حتماً کیفیت روغن موتور را کنترل کنید.

Before a long trip, be sure to check the quality of the engine oil.

Adverb 'hatman' (definitely/be sure to).

5

برخی از روغن موتورها حاوی مواد افزودنی برای تمیز کردن موتور هستند.

Some engine oils contain additives for cleaning the engine.

Verb 'havi budan' (to contain).

6

بازیافت روغن موتور سوخته برای محیط زیست ضروری است.

Recycling used engine oil is essential for the environment.

Noun phrase 'roghan-e motor-e sookhte' (used/burnt oil).

7

تکنولوژی ساخت روغن موتور در سال‌های اخیر پیشرفت زیادی کرده است.

The technology of making engine oil has progressed a lot in recent years.

Present perfect 'pishraft karde ast'.

8

دفترچه راهنما نوع روغن موتور مناسب را مشخص کرده است.

The manual has specified the suitable type of engine oil.

Subject 'daftarche-ye rahnama' (manual).

1

شاخص گرانروی روغن موتور یکی از مهم‌ترین فاکتورها در انتخاب آن است.

The viscosity index of engine oil is one of the most important factors in its selection.

Technical term 'shakhes-e geranravi' (viscosity index).

2

روغن موتور با کاهش اصطکاک، باعث بهینه‌سازی مصرف سوخت می‌شود.

By reducing friction, engine oil leads to the optimization of fuel consumption.

Causal construction 'ba'es-e ... mishavad'.

3

استانداردهای بین‌المللی برای طبقه‌بندی انواع روغن موتور وجود دارد.

International standards exist for the classification of types of engine oil.

Formal term 'tabaghe-bandi' (classification).

4

تخریب حرارتی روغن موتور می‌تواند منجر به تشکیل رسوبات در موتور شود.

Thermal degradation of engine oil can lead to the formation of deposits in the engine.

Complex noun phrase 'takhrib-e hararati'.

5

شرکت‌های پتروشیمی ایران در تولید روغن پایه برای روغن موتور خودکفا هستند.

Iranian petrochemical companies are self-sufficient in producing base oil for engine oil.

Adjective 'khod-kafa' (self-sufficient).

6

آنالیز روغن موتور می‌تواند عیوب پنهان موتور را آشکار سازد.

Engine oil analysis can reveal hidden engine defects.

Formal verb 'ashkar sakhtan' (to reveal).

7

فرمولاسیون روغن موتورهای مدرن شامل پلیمرهای پیچیده است.

The formulation of modern engine oils includes complex polymers.

Loanword 'formulasion' with Persian grammar.

8

نوسانات ارزی بر قیمت تمام‌شده روغن موتورهای وارداتی تأثیرگذار است.

Currency fluctuations are influential on the final price of imported engine oils.

Economic term 'nosanat-e arzi'.

1

پایداری اکسیداسیون روغن موتور در شرایط عملیاتی دشوار، حیاتی تلقی می‌گردد.

The oxidation stability of engine oil under difficult operating conditions is considered vital.

Highly formal 'talaghi migardad' (is considered).

2

روغن موتورهای نانو-روان‌ساز افق‌های جدیدی را در صنعت خودرو گشوده‌اند.

Nano-lubricant engine oils have opened new horizons in the automotive industry.

Advanced compound 'nano-ravansaz'.

3

بررسی اثرات زیست‌محیطی پسماندهای روغن موتور نیازمند رویکردی جامع است.

Investigating the environmental effects of engine oil waste requires a comprehensive approach.

Formal noun 'pasmand' (waste/residue).

4

تطابق روغن موتور با استانداردهای یورو ۵ و ۶ برای کاهش آلایندگی ضروری است.

Compliance of engine oil with Euro 5 and 6 standards is essential for reducing pollution.

Technical term 'tatabogh' (compliance/matching).

5

افزودنی‌های بهبوددهنده شاخص گرانروی، رفتار رئولوژیکی روغن موتور را اصلاح می‌کنند.

Viscosity index improver additives modify the rheological behavior of engine oil.

Scientific term 'rheologic' (rheological).

6

مکانیزم‌های تریبولوژیکی در حضور روغن موتور به دقت مورد مطالعه قرار گرفته‌اند.

Tribological mechanisms in the presence of engine oil have been studied precisely.

Academic term 'tribologic' (tribological).

7

بومی‌سازی دانش فنی تولید روغن موتورهای سنتتیک گامی بلند در جهت استقلال صنعتی است.

Localizing the technical knowledge of producing synthetic engine oils is a big step toward industrial independence.

Political/Technical term 'boomi-sazi' (localization).

8

تغییرات ساختار مولکولی روغن موتور تحت تنش‌های برشی بالا بررسی شد.

Changes in the molecular structure of engine oil under high shear stresses were investigated.

Advanced physical term 'tanesh-haye booreshi' (shear stresses).

常见搭配

تعویض روغن موتور
سطح روغن موتور
نشت روغن موتور
فیلتر روغن موتور
کیفیت روغن موتور
غلظت روغن موتور
برند روغن موتور
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