C2 noun #71,316 よく出る

a measuring instrument that measures the hardness of materials by penetrating them with a stylus that has a diamond point

sclerometer 30秒で

  • (noun) a measuring instrument that measures the hardness of materials by penetrating them with a stylus that has a diamond point

Meanings

  1. 1
    noun a measuring instrument that measures the hardness of materials by penetrating them with a stylus that has a diamond point
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