软芯裸铜线TRJ电缆截面多大 软芯... 天联电缆网

p1Src=//y1.yzimgs.com/uploads/303765/2016910-1051981.jpg?watermark/2/text/5aSp6IGU55S157yG572R/font/5a6L5L2T/fontsize/750/fill/I0E3QTlBOA==/gravity/SouthEast"

aa