The paper analyses the shapen roller pressure of combine roll-forming machine and the production practice,and proves the possibility of the desigh and calculation about the rollers.
She only felt that there was something irrevocably amiss and lost in her lot, and her thoughts about the future were the more readily shapen into resolve.
工艺流程及
。
文通过
联轧机
力分析及生产实践，证明了轧
只
己的命运中有某种无法挽回的不
劲和迷失， 
来的想法更容易转化为决心。
