磁性开关LJC23/60说明书
上海临嘉科教仪器有限公司
p1Src=//y1.yzimgs.com/uploads/391770/20171026-36788317.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20171026-30956317.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20171026-47783173.jpg