电话1*HYA-50*2*0.7什么意思_国标... 天联电缆网

p1Src=//y2.yzimgs.com/uploads/303765/201621-213329540.jpg?watermark/2/text/5aSp6IGU55S157yG572R/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast"

aa