PZYA22铁路信号电缆截面多大 PZY... MHYV|天津市电缆总厂第一分厂

p1Src=//y3.yzimgs.com/uploads/175499/2016222-10413421.jpg?watermark/2/text/TUhZVnzlpKnmtKXluILnlLXnvIbmgLvljoLnrKzkuIDliIbljoI=/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast"

aa