短語詞組短語Zipper reciprocating pull testing machine 拉鏈往復(fù)拉動(dòng)試驗(yàn)機(jī)cord zipper pull 拉鏈拉繩Zipper pull on the 拉鏈拉不上Pull the zipper never stuck 拉拉煉不守;永遠(yuǎn)不會(huì)卡住的拉鏈拉 返回 zipper pull