英语词汇“thermionic valve”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	thermionic valve
释义	thermionic valve [θə:miˈɔnik vælv] freq. 2 dict. 1 [网络]热阴极电子管；热离子管；热电子管
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