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單詞乎

vacuum tubes

vacuum tubes是什么意思、vacuum tubes怎么讀

vacuum tubes漢語翻譯

【醫(yī)】 真空管

vacuum tubes英語解釋

名詞 vacuum tube:

  1. electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
    同義詞：tube, vacuum tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve
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