RVV22-12*0.75电缆保电阻 RVV22-... 天联电缆网

p1Src=//y2.yzimgs.com/uploads/303765/2018812-95222245.jpg?watermark/2/text/5aSp6IGU55S157yG572R/font/5a6L5L2T/fontsize/650/fill/I0E3QTlBOA==/gravity/SouthEast"

aa