英语词汇“ab power pack”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	ab power pack
释义	AB power pack AB power pack [ā¦bē ′pau̇·ər ‚pak] (electricity) Assembly in a single unit of the A battery and B battery for a battery-operated vacuum-tube circuit. Unit that supplies the necessary A and B direct-current voltages from an alternating-current source of power.
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AB power pack