短语词组短语ball check nozzle 球形止回喷嘴;翻译white ball spray nozzle 白色喷头嘴ball socket nozzle 球窝喷管Adjustable Ball Nozzle 可调球形喷嘴ball -socket nozzle 球窝喷管rolling ball -socket nozzle 滚动球窝喷管Nozzle ball 球形管嘴 返回 ball nozzle