铁路用接近开关 QB-F-PK2T 湖北杭荣电气有限公司

p1Src=//y2.yzimgs.com/uploads/509008/201959-114324482.jpg?watermark/2/text/5rmW5YyX5p2t6I2j55S15rCU5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast"