指定电话线HZPVY电缆选型手册 指... 天联电缆网

p1Src=//y3.yzimgs.com/uploads/303765/2016822-7220365.jpg?watermark/2/text/5aSp6IGU55S157yG572R/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast"

aa