黄绿接地线4mm²详细介绍 黄绿接... MHYV|天津市电缆总厂第一分厂

p1Src=//y2.yzimgs.com/uploads/175499/20161225-4110241.jpg?watermark/2/text/TUhZVnzlpKnmtKXluILnlLXnvIbmgLvljoLnrKzkuIDliIbljoI=/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast"

aa