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本文扼要地归纳了国内外对球磨机及钢球磨损规律研究的基本情况；通过钢球磨损矩阵模型的建立和分析，给出了合理补球的计算式，明确了矩阵模型有关问题的具体含义．对进一步研究钢球磨损矩阵模型具有一定的指导意义．
This article briefly summarizes the domestic and international research on ball mill and ball wear law basic situation; Through the establishment and analysis of steel ball wear matrix model, gives the calculation formula of reasonable make up ball, clear the specific meaning of the matrix model related issues. It is of guiding significance for the further study of ball wear matrix model.