How to reasonably divide the mining level?
How to reasonably divide the mining level?
发布时间：2025-11-18 16:20:18
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答案：【计分规则】: The classification of mining level should be determined by comprehensive comparison according to the coal seam occurrence conditions, geological conditions, mining technology and equipment level, resources / reserves and production capacity.In order to divide the mining level correctly, we should analyze the reasonable stage inclined length, mining conditions of rise and dip, and the application of subsidiary leve.
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