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

单词	thermionic valve
释义	WordReference Random House Unabridged Dictionary of American English © 2024 therm′ion′ic valve′, [Brit.] Electronics, British TermsSee vacuum tube. 1915–20 Collins Concise English Dictionary © HarperCollins Publishers:: thermionic valve, esp US Canadian thermionic tube n an electronic valve in which electrons are emitted from a heated rather than a cold cathode
随便看	unit record unit rule unit's place unit stress unit train unit trust unit vector unity univ. univ univalence univalent univalve univariate universal universal affirmative universal chuck universal city universal class universal coupling universal donor universal gas constant universal grammar universalise universalism

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