Terms for subject Steel production containing back up

English	Chinese
back-up roll	支撑辊
back-up roll bending	支撑辊弯曲
back-up-roll bending system	支撑辊弯辊系统
back-up roll changing rails	支撑辊换辊轨道
back-up roll chock	支撑辊轴承座
back-up rolls change	支撑辊互换
back-up rolls extraction hook	支撑辊托出钩
drive controls lower back-up roll rotation	电机控制下支撑辊旋转
lower back-up roll clamps	下支撑辊夹子
lower back-up roll drive	下支撑辊驱动
lower back-up roll extraction	下支撑辊拉出
permission to back-up roll changing operation	允许支撑辊换辊操作
upper back-up roll balancing	上支撑辊平衡
upper back-up roll clamps	上支撑辊夹子