It becomes very important to study the inter-action of support and surrounding rock.
研究支架—围岩的相互作用极为重要。
The removal of temporary support has less impact on the displacement of surrounding rock.
删除临时支护围岩位移的影响较小。
The removal of temporary support has less impact on the displacement of surrounding rock.
删除临时支护围岩位移的影响较小。
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