双绕组电流互感器 雷竞技app官网网站

p1Src=//y1.yzimgs.com/uploads_old/365270/2012060512240512_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/365270/2012060512240512_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/365270/2012060512240512_old_2.jpg"

aa