coal washing meaning in English

洗煤

Cleaning potential of hazardous elements during coal washing
煤中有害元素的洗选洁净潜势
On the present situation and prospect of coal washing techniques
煤炭洗选技术的现状与展望
Measures taken to cut down medium consumption in dense medium coal washing system
降低重介质选煤系统介耗的措施
Optimum reliability design of gear power transmission for ball mill in coal washing
洗煤厂球磨机齿轮传动的可靠性优化设计
Superficial analysis on reformation of coal washing flowsheet of zhangcun colliery washery
浅析漳村矿选煤厂工艺流程的改造

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