短语词组短語Zipper reciprocating pull testing machine 拉鏈往複拉動試騐機cord zipper pull 拉鏈拉繩Zipper pull on the 拉鏈拉不上Pull the zipper never stuck 拉拉鍊不守;永遠不會卡住的拉鏈拉 返回 zipper pull