JD4-16/25（普通型四极复合管）集电器天皋电气 上海天皋电气有限公司

p1Src=//y2.yzimgs.com/uploads/523729/2017629-15243428.jpg?watermark/2/text/5LiK5rW35aSp55qL55S15rCU5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast&p2Src=//y1.yzimgs.com/uploads/523729/2017629-11502156.jpg?watermark/2/text/5LiK5rW35aSp55qL55S15rCU5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast&p3Src=//y3.yzimgs.com/uploads/523729/2017629-11506265.jpg?watermark/2/text/5LiK5rW35aSp55qL55S15rCU5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast