混中块破碎提取精煤的探讨

Approach to extract cleaned coal from brocken mixture middle lump

针对煤炭市场混中块需求量小、价格低廉的行情 ,进行产品结构的探讨 ,以提高经济效益。

Directing to the situation of the mixture middle lump needs is not very much on market and its price is cheaper,make an approach to the product structure so as to lift economic benefit.