Optimizing the Construction Organization Planning, Decreasing the Tunes of Uncovering Coal Seam, Shortening the Period of Mine Construction.
优化施工组织设计，减少揭煤次数，缩短建井工期。
Optimizing the Construction Organization Planning, Decreasing the Tunes of Uncovering Coal Seam, Shortening the Period of Mine Construction.
优化施工组织设计，减少揭煤次数，缩短建井工期。
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