Therefore, people think automatic control in grinding and classification in mineral processing.
因此，磨矿分级作业的自动控制历来为国内外选矿界所重视。
An automatic control system of grinding and classification is designed for a concentrator of a Sichuan mining group.
为四川某矿业集团选矿厂设计了球磨分级自动控制系统。
The present situation of grinding and classification and the principles of micro-stage grinding technique of Meishan Mine are described.
描述了梅山磨矿分级现状和微阶段化磨矿技术原理。
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