英语词汇“valve tube”的翻译、意思、用法、释义-英汉汉英双解词典

单词	valve tube
释义	valve tube 基本例句电子管 In a radio tube there is a source of electrons.在电子管中，有一个电子发射源。 Valve actuators have not been correctly adjusted.电子管驱动器还没有正确调整。
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