真空管, 电子管
[化] 真空管
词型变化:名词复数形式 : vacuum tubes

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。
【近义词】

883 、 疲劳 fatigue 884 、 真空成形;真空吸塑 vacuumforming 885 、 真空成形机 vacuumformer 886 、 真空吸塑成形法 vacuummoulding 887 、 真实形状 trueshape 888 、 矩波形

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