双绞屏蔽线RVVSP是什么线双绞屏蔽线RVVSP是什么线图片

p1Src=//y2.yzimgs.com/uploads/326790/2016424-231958655.jpg?watermark/2/text/SFlBfOW4guivneeUtee8hi_lpKnmtKXluILnlLXnvIbmgLvljoLnrKzkuIDliIbljoI=/font/5a6L5L2T/fontsize/750/fill/I0E3QTlBOA==/gravity/SouthEast"