消防电话线ZR-RVSP2*1.5MM2截面多大 MKVV|天津市电缆总厂第一分厂

p1Src=//y2.yzimgs.com/uploads/326791/2020615-106562.jpg?watermark/2/text/TUtWVnzlpKnmtKXluILnlLXnvIbmgLvljoLnrKzkuIDliIbljoI=/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast