通过配矿与选矿两种方案的技术经济比较，证明普矿的选矿方案比配矿方案更合理。
Mineral processing is proved more reasonable than blending ore by comparing with practicing and economy of the two processing.
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.
阐述了矿山选矿自动控制技术要求及特点，并对选矿控制方案进行探讨。
This paper expatiates on requirements and characteristics of automatic control technology for ore dressing in mine and discusses on schemes of ore dressing control.
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