backing roll
短语词组
- backing up roll 支承輥
- bottom backing up roll 下支持輥;下支承輥
- top backing up roll 上支承輥
- backing roll mark 背輥痕
- forged steel backing roll 鍛鋼支承輥
- cutter backing roll 切紙機支撐輥
- backing -up roll [機]支撐軋輥;托模輥
- cast steel backing roll 鑄鋼支承輥 返回 backing roll