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	crook-backed crooked crookedly crookedness croon crooner crop crop-dusting cropper croquet croquette crore crosier cross- cross crossbar crossbeam cross-bencher cross-benches cross-bones crossbow cross-bred cross-breed cross-check cross-country

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