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	pastel pastern paste-up pasteurization pasteurize pastiche pastille pastime pasting past master ~ (in/of sth) pastor pastoral pastrami pastry pastry-cook pasturage pasture pasty pasty-faced pat patch patchily patchiness patchouli patch-pocket

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