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

单词	thermionic vacuum tube
释义	thermionic vacuum tube [θ?:mi??nik ?v?kju?m tju:b] 释义热离子真空管英英释义 Noun 1. electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
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thermionic vacuum tube