dense medium separation [矿业] 重介质选煤
dense-medium separation coal 重介选煤
the dense medium separation process 重介选煤工艺
principle of dense-medium separation 重介质选煤原理
The recovery of magnetic medium separated from product is an effective way to improve economic profit of dense medium coal separation technology.
重介质选煤工艺，对产品中脱除的磁性介质进行回收、再生，是提高这一工艺经济实用性的有效方法。
This method of coal preparation with air dense medium of deep fluidized bed provides a new way for lump coal separation.
深床型空气重介流化床分选方法为块煤排矸提供了一条新途径。
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