The precise counting method of dilution in the actual mining process based on 3d database was studied.
研究基于矿山3d数据库实际采矿过程中损失贫化的精确计算方法。
The entry arrangement, actual mining process and side entry support of advanced mining at thin seam are introduced. The safe measures are made and has made good economic benefit.
介绍了薄煤层前进式采煤的巷道布置、回采工艺及巷旁支护等，制定了切实可行的安全措施，取得了较好的经济效益。
Utilize constraints can increase mining efficiency in the process of actual data mining.
在实际的挖掘过程中需要有效地利用约束条件来提高挖掘效率。
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