The results showed that: the final concentrate did not be improved after crude concentrate was screened by magnetic screening;
结果表明：再磨后的一段精矿经磁筛精选，最终精矿铁品位未能提高；
The results showed that: the final concentrate did not be improved after crude concentrate was screened by magnetic screening;
结果表明：再磨后的一段精矿经磁筛精选，最终精矿铁品位未能提高；
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