Discussion on coal mining technology for seam above pressurized water body in Zhengzhou Mining Area
XING Ji-liang
LI Guan-liang
CHENG Zheng
ZHAO Deng-ke
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Publication Date：2007-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 44-46 )