英语词汇“vacuum-tube”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	vacuum-tube
释义	vacuum-tube 英'vækjuəmtj'uːb美'vækjuəmtj'uːb COCA¹⁴¹⁷⁵⁷BNC²³⁶²¹³⁺¹ 基本英英记法例句 n.电子管¹⁰⁰ 名词 vacuum tube: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelopevacuum-tube⇒n.电子管用作名词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。
随便看	separately cooling separately deduct expenses Separately Derived System separately driven circuit separately-driven circuit separately excited separately excited circuit separately-excited circuit separately excited DC machine separately excited dc motor separately excited dynamo separately-excited dynamo separately excited field winding separately excited generator separately-excited generator separately ex-cited generator separately excited induction generator separately excited inverter separately-excited inverter separately excited machine separately excited motor separately excited multivibrator separately excited oscillator separately extinction of arc separately fired supercharger