行程开关，LS30P51D11 塑料，51，D，1NO1NC 上海临嘉科教仪器有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20250116-08683175.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20250116-71836520.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20250116-71329164.jpg