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承压破坏
bearing failure
- 承压水体上对拉面开采的错距对底板岩层破坏的影响只是局部的和暂时性的。
The influence of staggered distance on the failure of floor strata in double-longwall mining on the confined aquifer is local and temporary. - 带压开采是承压水上采煤的主要方法，底板采动破坏深度的确定是实现带压开采的关键和前提。
"Mining above aquifer", as the main method to explore coal seams above confined aquifer, in which the determination of coal seam floor failure depth is the key factor and precondition.
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