backup roll
短语词组
- backup guide roll 支導輥
- backup p roll grinding machine 支承輥磨牀
- backup roll grinding machine 支承輥磨牀
- backup roll arbor 支承輥心軸
- backup roll chocks 支承輥軸承座
- ND BTR BACKUP ROLL 二次轉印上輥
- Backup roll chock 支撐輥軸承座;支承輥軸承盒
- forged steel backup roll 鍛鋼支撐輥
- backup roll wheel 支承輥輪 返回 backup roll