• "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.

    带压开采承压水上采煤主要方法底板采动破坏深度确定是实现带压开采的关键前提

    youdao

  • "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.

    带压开采承压水上采煤主要方法底板采动破坏深度确定是实现带压开采的关键前提

    youdao

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