层状复合岩体中岩层性质的差异常常导致预裂爆破效果不理想。
The rock property difference of bedded composite rock often does not lead to ideal Pre-splitting blasting effect.
表层岩溶带对岩溶水的调蓄功能大小主要与表层岩溶带的结构、岩层产状、地表覆盖情况和降雨性质有关。
However, the regulation functions to karst water depend on the structure of the epikarst zone, occurrence of strata, land cover and rainfall intensity.
试验研究结果证实了自然分级现象是松散覆盖岩层客观存在的性质之一。
Test results confirmed that the classification phenomenon of natural grade was one of properties to determine where loose-covered rocks exist.
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