Some noticeable problems in making the grinding work index experiments are discussed in this paper.
在我的家乡，人们通常在除夕把米磨成粉并做成各种各样的食品。
In order to find out the optimum economic crushing particle size, the work index of crushing and grinding have been obtain by through the test work.
为了确定最佳破碎产品粒度，进行了碎磨功指数的测定工作，获得球磨给矿粒度与碎磨综合能耗的关系。
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