工频无局放试验变压器 YDJW 图片

p1Src=//y1.yzimgs.com/uploads_old/339212/2009110403384029_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/339212/2009110403384029_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/339212/2009110403384029_old_2.jpg"