拉绳开关型号JLK4-S 上海临嘉科教仪器有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20230110-92958742.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20230110-00309275.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20230110-41042275.jpg