英语词汇thermionic valve怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	thermionic valve
释义	thermionic valve ( <美> thermionic tube) noun Electronics a device giving a flow of thermionic electrons in one direction, used especially in the rectification of a current and in radio reception 【电子】热离子管, 热阴极电子管。
随便看	recaption recapture recast recce recced recceing recd recede recede from receipt receipts receivable receivables receive received pronunciation receiver receivership receiving line receiving order recency recension recent recently recentness receptacle

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