In the grinding activity, the consumption of grindingmedium is great, which takes a half of grinding cost.
在磨矿过程中，磨矿介质消耗量大，其费用占磨矿成本的一半左右。
2
Therefore, the cast iron segment can be used as novel fine grindingmedium for grinding process substituting for steel ball.
铸铁段可以取代钢球成为细磨作业的新型介质。
3
The author presents us with a solution to the material selection function in the ball mill's grinding after analyzing the action of grindingmedium on material.