DOI: 10.11799/ce201911009
Pre-Grouting Reinfocement Technology with Ground Directional L-shaped Feather Branch Hole for Thick Weathered and Oxidized Zone in Coal Seam Roof
LI Ming-jing
ZHANG Dun-xi
LI Wan-feng
LI Shi-hui
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Publication Date：2019-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 38-41 )