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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)
2002-1-16 -04:00
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Back To Topic: 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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