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Keyword [Effective Drainage Radius]
Result: 1 - 6 | Page: 1 of 1
1. Research On The Relationship Between The Parameters Of The Current Seam Borehole And The Effect Of Gas Drainage
2. The Research On The Effect Of Guiqing Coal Mine Hydraulic Hole And Coal Unloading Quantity On Improving Permeability
3. Research On Determination Method Of Effective Radius Of Gas Extraction In Bedding Borehole And Optimization Of Parameters Of Hole Arrangement
4. Study On Comprehensive Control Technology Of Ventilation Emission And Advance Gas Drainage In High Gas Coal Roadway In Changcun Coal Mine
5. Study On Outburst Prevention Technology Of Hydraulic Drilling Reaming In 3~# Coal Seam Of Sangshuping Coal Mine
6. Study On Gas Flow Of Borehole Drainage In Anisotropic Coal Seam
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