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Keyword [Surface boreholes]
Result: 1 - 3 | Page: 1 of 1
1.
Study On The Depressurization Effect Produced By Exploitation Of Lower Distant Protective Coal Seam And Elimination Of Outburst Hazard Of The Protected Seams By Applying Gas Drainage With Surface Boreholes
2.
Research On Technology Of Relieved Gas Drainage Using Surface Boreholes In A Single Extremely Thick Coal Seam Of Weijiadi Coal Mine
3.
Research On Mechanical Properties Of Cementing Casing Of Surface Boreholes Using Gas Drainage In Mining Subsidence Area
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