Xuehu coal main and subsidiary well have deep shaft, thick surface soil and strong disability, poor pourability in the hydrated grope rock and complex geology condition.
薛湖煤矿主、副井井筒井深、表土厚且膨胀性强、基岩含水层可注性差、地质条件复杂。
Zhongyuan oil field is a complex fault block sandstone reservoir, which has deep oil reservoir rock, low permeability and serious heterogeneity.
中原油田是一个复杂断块砂岩油气田，储集层埋藏深，渗透率低，非均质严重。
The paper introduced the successful application of high bench caving method of using deep hole roller rock bit into the practice of solving the complex goaf area, a stuff problem of this kind.
采用深孔牙轮钻机、利用高台阶崩落法成功地处理了复合采空区，解决了复合采空区处理难的问题，使技术人员在熟练浅采、深采空区处理的情况下，又探索出复合采空区的处理方法。
The mechanical properties of columnar jointed rock mass, which is the main composition of dam foundation and surrounding rock of deep cavern at Baihetan hydropower station, are very complex.
白鹤滩水电站坝基基岩及深部洞室围岩以柱状节理岩体为主，其力学特性极其复杂。
The dam foundation engineering geological problem is the bed rock deep weathering in Malutang water complex.
马鹿塘水利枢纽坝基主要工程地质问题就是基岩深风化问题。
For the stress state in deep zone rock is very complex, the study of earth stress computation needs systemic theory and uniform calculation model, and its deflection is very large.
深层岩石中应力状态复杂，目前对于地应力大小的计算研究还缺乏系统完整的理论，没有统一的计算模式，普遍存在偏差大等问题。
In deep soft rock roadway, supporting technologies and methods which have been adopted in shallow engineering are not applicable due to complex engineering geological conditions.
深部软岩工程复杂工程地质条件使原有的浅部工程的支护技术和方法不能满足实际工程需要。
In deep soft rock roadway, supporting technologies and methods which have been adopted in shallow engineering are not applicable due to complex engineering geological conditions.
深部软岩工程复杂工程地质条件使原有的浅部工程的支护技术和方法不能满足实际工程需要。
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