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本文阐述了黑宝山煤矿加速延深提前内排的必要性及可行性，并对内排时间、顺序及由此带来的经济效益加以分析。
This article expounds the necessity and feasibility of accelerating and deepening the internal discharge ahead of schedule in Hei Baoshan Coal Mine and analyzes the internal discharge time, order and the economic benefits brought by it.