Through the way of numerical simulation and locale measurement, we found the safety utmost bedrock ply at the condition of thin bedrock and thick coal seam in Sima coal Mine.
通过数值模拟和现场实测的方法，研究了司马矿薄基岩厚煤层开采条件下，保证安全开采的极限基岩厚度。
The high mining height hydraulic support is designed for the special geologic condition of Shendong coalfield, such as shallow buried depth, thin bedrock and thick aeolian sand.
大采高强力液压支架是针对神东煤田浅埋深、薄基岩、厚风积沙等特定地质条件而研制的一种高性能综采液压支架。
Basal slip or sliding as it's often called, basically refers to the slipping or sliding of a glacier across bedrock, actually across a thin layer of water on top of the bedrock.
底部滑移，也通常被称为滑动，大致指的是冰川在基岩上的滑动，实际上是在基岩上部的一层薄薄的水上的滑动。
Basal slip or sliding as it's often called, basically refers to the slipping or sliding of a glacier across bedrock, actually across a thin layer of water on top of the bedrock.
底部滑移，也通常被称为滑动，大致指的是冰川在基岩上的滑动，实际上是在基岩上部的一层薄薄的水上的滑动。
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