speedometer for measuring the speed of an aircraft relative to the speed of sound
machmeter 30秒で
- (noun) speedometer for measuring the speed of an aircraft relative to the speed of sound
Meanings
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1
noun speedometer for measuring the speed of an aircraft relative to the speed of sound
Summary
speedometer for measuring the speed of an aircraft relative to the speed of sound
- (noun) speedometer for measuring the speed of an aircraft relative to the speed of sound
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