invar (plotting) scale

 
  • 殷鋼尺
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invar (plotting) scale的英文翻譯是什麼意思,詞典釋義與在線翻譯:

英英釋義

名詞 invar:
  1. an alloy of iron and nickel having a low coefficient of thermal expansion; used in tuning forks and measuring tapes and other instruments

今日熱詞
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