英语词汇thermionic valve的意思、用法及释义-英汉双解词典

单词	thermionic valve
释义	thermionic valve (US ,thermionic `tube), vacuumtube in which a flow of electrons is emitted by heated electrodes, used in the receiving of radio signals, etc 热离子管.
随便看	professed professedly profession professional professional foul professionalism professionally professor professorial professorship proffer proficiency proficient proficiently profile profit profitability profitable profitably profit and loss account profiteer profiterole profitless profitlessly profit-margin

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