Keyword [Hanjiawan coal mine] Result: 1 - 4 | Page: 1 of 1 1.  Study On Strata-Pressure Behavior In Fully-Mechanized Face Of Hanjiawan Coal Mine 2.  Study On Roof Caving Disaster Of The Longwall Face Mining In Proximity Beneath A Room Mining Goaf In Hanjiawan Coal Mine 3.  Research On Upward Mining In Room-Column Goafs Of Shallow Coal Seam With Close Distance In Hanjiawan Coal Mine 4.  Study On Mechanism Of Dynamic Pressure Disaster In Fully Mechanized Face Under The Column Goaf Of Hanjiawan Coal Mine   <<First  <Prev  Next>  Last>>  Jump to

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