通过对永平铜矿选矿厂碎矿系统存在问题的分析与研究，并结合碎矿设备的具体条件，提出了三个技术改造方案。
Through the analysis and study on crushing system of Yongping Copper Mine, and combined with the production condition of crushing equipments, three transform plans are pointed out.
通过对永平铜矿选矿厂碎矿系统存在问题的分析与研究，并结合碎矿设备的具体条件，提出了三个技术改造方案。
Through the analysis and study on crushing system of Yongping Copper Mine, and combined with the production condition of crushing equipments, three transform plans are pointed out.
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