vacuum tube
英
美
- n.真空管;电子管
详细释义
Noun:
-
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
双语例句
- Not any air gets into the vacuum tube.
没有空气能进入真空管。 - No vacuum or picture tubes were broken.
真空管或显影管都未破碎。 - In a radio tube there is a source of electrons.
在电子管中,有一个电子发射源。 - 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。
用作名词 (n.)
相关词汇
- lamp 灯
- electron tube 真空管
- tube 管子
- thermionic tube [物]热离子管...
- thermionic vacuum tube 热离子真空管...
- thermionic valve [物]热离子管...
【近义词】
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