英语词汇“central-battery system”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	central-battery system
释义	central-battery system central-battery system [¦sen·trəl ′bad·ə·rē ‚sis·təm] (communications) A telephone or telegraph system which obtains all the energy for signaling (and for speaking, in the case of the telephone) from a single battery of secondary cells located at the main exchange.
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