英语词汇“thermionic valve”的中英文释义、用法、翻译及短语词组-英汉翻译词典-东流网

单词	thermionic valve
释义	thermionic valve [θ?:mi??nik v?lv] 释义热离子管，热阴极电子管英英释义 Noun 1. electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
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thermionic valve