The designs include mill rollers for both the first and second flattening machines.
包括第一道轧机的轧辊设计，第二道轧机的轧辊设计。
The machine-to-weight abrasive rollers to optimize the design of new equipment do not need to replace the use of life-long roller mill body.
本机对磨料辊体重新进行优化设计，设备使用终身不需更换磨机辊体。
Coarse material entering the mill is crushed between the ring and rollers.
进入磨机的粗料压碎于辊和钢环之间。
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