UTP CAT6 六类网线参数 UTP CAT6... MHYV|天津市电缆总厂第一分厂

p1Src=//y1.yzimgs.com/uploads/175499/20181127-125737918.jpg?watermark/2/text/TUhZVnzlpKnmtKXluILnlLXnvIbmgLvljoLnrKzkuIDliIbljoI=/font/5a6L5L2T/fontsize/750/fill/I0E3QTlBOA==/gravity/SouthEast"

aa