Study and prevention for middlings group water hazard in haizhi coal mine
海孜煤矿中煤组水害的研究与防治
Comprehensive use of middlings and tailings during theseparation is also discussed in the paper.
文中还对中矿和尾矿的综合利用进行了阐述。
Experimental study on treatment methods for floatation separation middlings in Donganshan sintering plant
东鞍山烧结厂浮选中矿处理方法的试验研究
Research of Regression Equation for Middlings Calorie Value and Its Application in Malan Preparation Plant
马兰矿选煤厂洗混煤发热量推导与应用
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