短语词组短语pan rivet head 皿形铆m pan framing head 小蜜蜂头Pan washer Head 垫圈盘头o pan washer head 盘头华司pan n head rivet 盘头铆钉;平顶铆钉pan n head screw 盘头螺钉pan tilt head 可转动机座pan -head rivet 截锥头铆钉;截锥头铆钉英语 返回 pan head