拉绳开关型号BLKT2-II 上海临嘉科教仪器有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20230110-09149964.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20230110-22181640.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20230110-88665720.jpg