Two-band Height Observation of Gaotouyao Coal Mine 2-3 Coal Seam and Safety Mining Under Water
YANG Yong
SUN Qianfang
Keywords：coal miningwater flowing fractured zonecaving zonefloodingmining under waterwaterproof coal and rock pillar
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)