PTY22电缆铁路信号电缆_特种电缆 PTY22电缆铁路信号电缆

p1Src=//y3.yzimgs.com/uploads/326790/20151230-2156660.jpg?watermark/2/text/SFlBfOW4guivneeUtee8hi_lpKnmtKXluILnlLXnvIbmgLvljoLnrKzkuIDliIbljoI=/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast"