The stability of pillars is a very important factor to mining safety.

矿柱的稳定性是影响矿山生产安全的重要因素.

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The 2 Riflemen should protect your Tiberium Spike from Buzzer attacks.

两队机枪兵应该保护你的矿柱免受蜂群的袭击.

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If the jamb - mine isn't exploited, the economic benefit will go down rapidly.

如果不采矿柱矿山经济效益将急剧滑坡.

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Roof falling, floor heave of roadway and pillar failure are important rock mechanical problems in mining.

顶板冒落 、 巷道底鼓和矿柱破坏是采矿过程中的重要岩石力学问题.

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Relation between the depth and the length of rock pillar is discussed in detail.

另外,还详细讨论了矿柱顶点的深度与长度之间存在的关系.

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The cause mine pillar destruction Tin Mine was analyzed from observation by photoelastic mine stope 570.

通过对埋设于570中段光弹性应力计的观测,分析了该中段矿柱破坏的情况及原因.

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The method, experimental equipment and results of column leaching were presented for low - grade copper sulfide ore.

介绍了含砷 低品位 硫化铜矿柱浸实验研究方法 、 装置和结果.

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