... 氨基乙氰标记：Labeling of C\-\{60\} 安全开采深度：Safety mining depth 暗空间光孤子： dark spatial optical soliton ...
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With the increase of mining depth, the underground heat harm becomes more serious. Especially for deep shaft conditions, the temperature lowering has become a very important content in safety work.
随着矿井开采深度的增加，井下的热害日趋严重，尤其对于深井条件下，降温工作就成了安全工作极为重要的内容。
With the increasing of the mining depth, the potential safety hazard is outstanding day by day, the incident happens occasionally.
随着煤矿开采深度的增加，安全隐患日益突出，安全事故时有发生。
With the increase of mining depth, pre-mining rock stresses increase dramatically, which leads to the rise of the frequency of rock burst occurrence and the drop of mine safety.
随着矿山开采深度的增加，原岩应力水平大大提高，导致岩爆等灾害发生频率提高，矿山生产的安全性下降。
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