utilization of low-grade ore
utilization of low-grade ore
低品位矿石的利用
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In line with the features of accumulative bauxite ore, it is put forward and proved that it is an economically efficient way to solve the utilization of low grade accumulative bauxite by ore blending.
结合堆积型铝土矿的特点，提出并论证了通过配矿方式解决低品位堆积型铝土矿的利用问题是经济合理的办法。
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