Using three dimensional fluxional function, the rolling force and energy parameters of oval round pass sequences for hot continuous bar rolling were analyzed.
采用三维流函数法对棒材热连轧时的椭圆-圆孔型系统进行了力能参数的解析，其结果与实测结果符合很好。
A serials of problems of miss position of roll, easy damage of guide and guard, scuff mark of piece were common during oval piece entering round pass by 2-h horizontal mill.
在用水平二辊连轧机轧制中，椭圆轧件进入圆孔型翻转时易出现错辊、导卫装置损坏、轧件划伤等一系列问题。
Promise a good wish, I wish you happy again and again, send a wonderful feeling, I wish you all things round, pass a short blessing, I wish you a sweet smile.
许一个美好的心愿，祝你快乐连连，送一份美妙的感觉，祝你万事圆圆，传一份短短的祝福，祝你微笑甜甜。
Promise a good wish, I wish you happy again and again, send a wonderful feeling, I wish you all things round, pass a short blessing, I wish you a sweet smile.
许一个美好的心愿，祝你快乐连连，送一份美妙的感觉，祝你万事圆圆，传一份短短的祝福，祝你微笑甜甜。
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