JD4-20/30四线插座（普通管）集电器 上海徐吉电气有限公司

p1Src=//y1.yzimgs.com/uploads/399897/2016219-112435964.png?watermark/2/text/5LiK5rW35b6Q5ZCJ55S15rCU5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/Center&p2Src=//y1.yzimgs.com/uploads/399897/2016219-112449383.png?watermark/2/text/5LiK5rW35b6Q5ZCJ55S15rCU5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/Center&p3Src=//y3.yzimgs.com/uploads/399897/2016219-112457308.png?watermark/2/text/5LiK5rW35b6Q5ZCJ55S15rCU5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/Center