拉绳开关 跑偏开关KLT2A-1
上海临嘉科教仪器有限公司
p1Src=//y1.yzimgs.com/uploads/391770/20180123-51835520.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20180123-11275173.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20180123-39491186.jpg