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去借一个万用表，测一下，看看接哪个两个线头电压会变化，就是那两个。
32b6566
(大毛毛熊)
(#336923@0)
Last Updated: 2002-1-16
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求救！！想在卧室安一部电话分机，打开接线盒，盒的面板上有红、黑、绿、黄四条线，从墙壁里伸出来的线也有红、黑、绿、黄四条线，哪条接哪条呀？？我是一脑门子江湖了。。。。请dx指点，谢先！！！
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