行程开关，LX19-001 RKK377- 上海临嘉科教仪器有限公司

p1Src=//y1shangxu.yzimgs.com/uploads/391770/20250116-62927517.jpg&p2Src=//y1shangxu.yzimgs.com/uploads/391770/20250116-34450840.jpg&p3Src=//y1shangxu.yzimgs.com/uploads/391770/20250116-90201640.jpg