英语词汇“light valve”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	light valve
释义	WordReference Random House Unabridged Dictionary of American English © 2024 light′ valve′, [Elect.] Electricitya light-transmitting device having transmissions that vary in accordance with an electric input, as voltage, current, or an electron beam, used chiefly for recording sound on motion-picture film. 1925–30
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