Now a conclusion comes: the stability of stope not only has a relationship with the size of the exposed roof, but the exposed surface shape has a crucial influence on its stability.
得到结论:采场稳定性不仅与顶板暴露面大小有关,暴露面形状对其影响也是至关重要的。
Now a conclusion comes: the stability of stope not only has a relationship with the size of the exposed roof, but the exposed surface shape has a crucial influence on its stability.
得到结论:采场稳定性不仅与顶板暴露面大小有关,暴露面形状对其影响也是至关重要的。
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