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用戶線路指的是通信線路的哪部分

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正確答案:

從市話交換局的總配線架的縱列起,經(jīng)電纜進(jìn)線室、管道(或電纜通道)、交接設(shè)備、引上電纜、分線設(shè)備、引入線或經(jīng)過樓內(nèi)暗配線至用戶電話機(jī)的線路稱為用戶線路

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