Font Size: a A A
Keyword [concentrated coal pillar]
Result: 1 - 4 | Page: 1 of 1
1. Study On Mechanism And Prevention Of Strong Strata Behaviors Accurring During Face Mining Under A Room Mining Goaf
2. Strata-pressure Behavior And Microseismic Detection In Longwall Face Under Old Room And Pillar Mines With Shallow Cover
3. Research On The Mechanism And Prevention And Control Of Coal Column Induced Active Load Ore In Room Collection
4. Study On Migration Law Of Strata In Stope Under Overlying Concentrated Coal Pillar
  <<First  <Prev  Next>  Last>>  Jump to