螺旋式接地棒接地线 上海康登电气科技有限公司

p1Src=//y1.yzimgs.com/uploads/507859/2017219-1513978.png&p2Src=//y2.yzimgs.com/uploads/507859/2017219-1511597.png&p3Src=//y2.yzimgs.com/uploads/507859/2017219-15110344.png