网线-六类4对屏蔽双绞线国标型号图片

p1Src=//y3.yzimgs.com/uploads/303765/2020612-112311995.jpg?watermark/2/text/5aSp6IGU55S157yG572R/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast"

aa