thermionic valve

 
  • n. [物]熱離子管;熱陰極電子管
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thermionic valve的英文翻譯是什麼意思,詞典釋義與在線翻譯:

英英釋義

Noun:
  1. electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope

今日熱詞
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