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大部分有色金属矿石共生着多种有用成分,搞好综合利用是矿山的主要技术工作之一。目前为止,还没有衡量综合回收水平的统一指标。有的选矿厂采用综合金属回收率(E_(?))来计算:
Most of non-ferrous metal ore symbiosis with a variety of useful components, improve the comprehensive utilization of the mine is one of the major technical work. So far, there is no single measure of the level of comprehensive recovery. Some concentrator using integrated metal recovery (E_ (?)) To calculate: