英语词汇“pumped tube”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pumped tube
释义	pumped tube pumped tube [′pəmpt ‚tüb] (electronics) An electron tube that is continuously connected to evacuating equipment during operation; large pool-cathode tubes are often operated in this manner.
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