铁路信号电缆 PTYA23 PTYA22 PZYA23 PT 天联图片

p1Src=//y3.yzimgs.com/uploads/325319/201636-10131892.jpg?watermark/2/text/5aSp5rSl5biC55S157yG5oC75Y6C56ys5LiA5YiG5Y6C/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast"

aa