国标RVSP485纯铜屏蔽通讯信号线含运费价格 天津市电缆总厂第一分厂

p1Src=//y3.yzimgs.com/uploads/354583/202077-194853192.jpg?watermark/2/text/5aSp5rSl5biC55S157yG5oC75Y6C56ys5LiA5YiG5Y6C/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast&p2Src=//y2.yzimgs.com/uploads/354583/202077-1949380.jpg?watermark/2/text/5aSp5rSl5biC55S157yG5oC75Y6C56ys5LiA5YiG5Y6C/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast&p3Src=//y1.yzimgs.com/uploads/354583/202077-194913713.jpg?watermark/2/text/5aSp5rSl5biC55S157yG5oC75Y6C56ys5LiA5YiG5Y6C/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast