[请问] 电话缆线的线径小疑问

楼主: s66449 (老實樣)   2018-11-10 21:46:55
想请问一下
有些缆线是0.55mm,但有些是0.65mm,差在那里呢?
和P数有关吗?我看0.65好像100P居多?

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