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	pinch pinchbeck pinched pincushion pine pineal pineal gland pineapple pine-cone pine-needle ping ping-pong pin-head pinion pink pink-eye pink gin pinkie pinking shears pinkish pin-money pinnace pinnacle pinnate pinny

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