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 valven. (US [美] thermionic tube) a device giving a flow of thermionic electrons in one direction, used esp. in the rectification of a current and in radio reception 热离子管，热阴极电子管
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英汉双解词典包含94788条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。