Keyword [the old goaf] Result: 1 - 4 | Page: 1 of 1 1.  Experimental Study Regarding Longwall Face Which Is Under The Old Goaf By Grouting Backfill Into Isolated Areas 2.  Study On Formation Mechanism And Influence Of Acid Water In The Old Goaf In Shandi River Basin Of Yangquan City 3.  Study On The Influence Of Blasting Vibration On The Gob And Surface Residual Deformation In No.2 Yungaishan Coal Mine 4.  Stability Analysis And Treatment Technology Research Of The Old Goaf Of Sinochem Yunlong Mizuzhao Phosphate Mine   <<First  <Prev  Next>  Last>>  Jump to

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