针式绝缘子
上海徐吉电气有限公司
p1Src=//y2.yzimgs.com/uploads_old/399897/2015091508501760_old.png&p2Src=//y2.yzimgs.com/uploads_old/399897/2015091508501810_old.png&p3Src=//y2.yzimgs.com/uploads_old/399897/2015091508501824_old.png