英语词汇“telegraph concentrator”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	telegraph concentrator
释义	telegraph concentrator telegraph concentrator [′tel·ə‚graf ′käns·ən‚trād·ər] (electricity) Switching arrangement by means of which a number of branch or subscriber lines or station sets may be connected to a lesser number of trunklines, operating positions, or instruments through the medium of manual or automatic switching devices to obtain more efficient use of facilities.
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