小型基本开关，V-105-1A4 上海临嘉科教仪器有限公司

p1Src=//y1shangxu.yzimgs.com/uploads/391770/20250116-28683173.jpg&p2Src=//y1shangxu.yzimgs.com/uploads/391770/20250116-08683175.jpg&p3Src=//y1shangxu.yzimgs.com/uploads/391770/20250116-17572062.jpg