Based on the stability analysis of key-block with large structure, the feasibility of gob-side entry retaining has been demonstrated.
通过对大结构关键块稳定性分析，论证了综放沿空留巷的可行性。
Based on the stability analysis of key-block with large structure, the feasibility of gob-side entry retaining has been demonstrated.
通过对大结构关键块稳定性分析，论证了综放沿空留巷的可行性。
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