大四极管式滑线集电器JD-4-150 JD-4-150 扬州市昂立电气有限公司

p1Src=//y2.yzimgs.com/uploads/438242/20161128-191013535.jpg?watermark/2/text/5oms5bee5biC5piC56uL55S15rCU5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/650/fill/I0E3QTlBOA==/gravity/SouthEast