拉绳开关型号FAG-J450B/SM 上海临嘉科教仪器有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20230110-33583308.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20230110-11070539.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20230110-74266619.jpg