back-up rolls中文什么意思

承压辊

• back:    n. 1.背，背部；背脊；背面，反面 ...
• up:    adv. (superl. uppe ...
• roll:    vt. 1.滚，转，推滚(桶、车轮等 ...

例句与用法

1. 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
2. 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