vacuum tube

       
  • n. 真空管;电子管
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vacuum tube的英文翻译是什么意思,词典释义与在线翻译:

英英释义

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

vacuum tube的用法和样例:

例句

用作名词 (n.)
  1. Not any air gets into the vacuum tube.
    没有空气能进入真空管。
  2. No vacuum or picture tubes were broken.
    真空管或显影管都未破碎。
  3. In a radio tube there is a source of electrons.
    在电子管中,有一个电子发射源。
  4. A tube or a transistor can amplify an incoming signal.
    电子管和晶体管能放大输入的信号。
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