The high abutment pressure on the integrated coal beside the roadway is one of the reasons to lead to floor heave and affect the stability of the roadway driving along next goaf.
实体煤帮的高支承压力是影响沿空掘巷稳定性的主要原因之一。
The high abutment pressure on the integrated coal beside the roadway is one of the reasons to lead to floor heave and affect the stability of the roadway driving along next goaf.
实体煤帮的高支承压力是影响沿空掘巷稳定性的主要原因之一。
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