The influence of staggered distance on the failure of floor strata in double-longwall mining on the confined aquifer is local and temporary.
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.
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。
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