SBVV电缆是什么线 SBVV电缆是什么... MHYV|天津市电缆总厂第一分厂

p1Src=//y1.yzimgs.com/uploads/175499/201638-5633815.jpg?watermark/2/text/TUhZVnzlpKnmtKXluILnlLXnvIbmgLvljoLnrKzkuIDliIbljoI=/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast"