英语词汇“a power supply”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	a power supply
释义	a power supply \ˈā-\ noun Usage: usually capitalized A Etymology: A (I) : a battery or transformer supplying electric power to heat the cathode in an electron tube — compare b power supply, c power supply; a battery
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