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	squally squalor squander squanderer square square-bashing square brackets square dance square knot square leg squarely square measure squareness square root square-shouldered square-toed squarish squash squashy squat squatter squaw squawk squeak squeaker

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