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單詞乎

electron tube

electron tube是什么意思、electron tube怎么讀

electron tube漢語翻譯

【電】 電子管

electron tube英語解釋

名詞 electron 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, thermionic valve

electron tube例句

  1. An electrode used in certain electron tubes to provide secondary emission.
    中間極，二次發(fā)射電極一種用于一定電子管作第二次發(fā)射電極
  2. A highly evacuated electron tube containing an anode, a cathode, and a control grid.
    三極管帶有陽極、陰極和控制柵極的高真空的電子管
  3. An electron tube having a cathode and an anode.
    電子二極管有一個(gè)陽極和一個(gè)陰極的電子管
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