Division and practice of water-preserved mining in ultra-thick coal seam under ultra thick sandy conglomerate aquifer
L(U) Guang-luo
TIAN Gang-jun
ZHANG Yong
L(U) Pin-tian
CHEN Yong-bo
SHI Xiu-chang
Keywords：height of water flowing fractured zoneprotective layer thicknesswater-preserved mining regionalization
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)