Bolting manual pillar and room method is a good future method of mining Mn ore body of medium thickness and small pitch.

人工柱锚杆房柱法是一种有前途的开采中厚缓倾斜锰矿床的采矿方法。

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Formation of the oxidized Mn deposit is controled by the primary Mn ore layer, tectonics, geomorphology, thickness and lithology of the cover rock, climate and hydrogeological condition.

认为表生富集型氧化锰矿床的形成主要受原生含锰层、地质构造、地形地貌、顶盖层厚度、岩性、气候及水文地质等条件所制约。

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This has found a way out for the usage of soft Mn-ore with low-grade after research. It solves the problem of oxidized Mn with high-grade of the usage of Mn-sulphate for a long time.

经过本研究为低品位软锰矿的利用找到了出路，解决了硫酸锰生产长期需要使用高品位氧化锰矿的难题。

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This has found a way out for the usage of soft Mn-ore with low-grade after research. It solves the problem of oxidized Mn with high-grade of the usage of Mn-sulphate for a long time.

经过本研究为低品位软锰矿的利用找到了出路，解决了硫酸锰生产长期需要使用高品位氧化锰矿的难题。

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