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	brinkmanship briny brioche briquette brisk brisket briskly briskness bristle bristly Brit Britain Britannic British British English Britisher Briton brittle brittleness broach B-road broad broad bean broadcast broadcaster

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