英语词汇“thermionic tube”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	thermionic tube
释义	WordReference Random House Unabridged Dictionary of American English © 2024 therm′ion′ic tube′, [Electronics.] Electronicsa vacuum tube in which the cathode is heated electrically to cause the emission of electrons by thermal agitation. Also called hot-cathode tube. 1925–30
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