backing-up roll meaning in English
托模辊
Examples
- A mathematical model on edge chamfer of back - up roll and its grinding technology
支承辊边部导角数学模型的建立及其磨削工艺 - An investigatoon into failing of nos 368 and 369 back - up roll of the cold rolling mill
武钢冷轧厂369号和368号支承辊失效原因分析