孔隙率较高，孔比表面积主要分布于孔径较小的微孔和过渡孔段，孔隙的连通性较差，煤层渗透率极低；
The distribution of pore surface area is mainly in micro and transitional pore; the pore connectivity is poor and the permeability of coal seam is extre…
孔隙率较高，孔比表面积主要分布于孔径较小的微孔和过渡孔段，孔隙的连通性较差，煤层渗透率极低；
The distribution of pore surface area is mainly in micro and transitional pore; the pore connectivity is poor and the permeability of coal seam is extre…
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