在此基础上推导出采场断层防水煤柱留设计算公式，并用实例验证该公式的合理性。
The formulas to design safe pillar against water-inrush from faults are achieved according to above results and a case study shows that the formula is reasonable.
在此基础上推导出采场断层防水煤柱留设计算公式，并用实例验证该公式的合理性。
The formulas to design safe pillar against water-inrush from faults are achieved according to above results and a case study shows that the formula is reasonable.
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