磁性开关安装方式CS1-U 上海临嘉科教仪器有限公司

p1Src=//y1shangxu.yzimgs.com/uploads/391770/20171225-98311640.jpg&p2Src=//y1shangxu.yzimgs.com/uploads/391770/20171225-24847742.jpg&p3Src=//y1shangxu.yzimgs.com/uploads/391770/20171225-54771297.jpg