Study on pressure relief and permeability enhancement effect of upper protective layer mining of semi-coal rock in close distance coal seam group
DENG Zhaorui
SUN Dequan
REN Zhongjiu
SONG Weihua
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Publication Date：2022-06-30
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：9( 31-39 )