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Keyword [coal seam pressure relief]
Result: 1 - 10 | Page: 1 of 1
1. Study On Technology Of Surface Drillings Draining Pressure Relief Gas Of Coal Seam By Protected
2. Theory Of Coal And Gas Outburst Prevention During Mining And Key Technology Research In Upper Cover Of Hongling Coal Mine
3. Study Of Deep-hole Presplitting Blasting Increasing Permeability On High Metamorphic Outburst Coal Seam
4. Study On The Technique Of Gas Drainage In Pressure Releasing About Steeply-inclined Thick Coal Seam
5. Study On The Mining Technology Of Protective Coal Seam And Gas Drainage In Pressure Releasing Area With Closed Distance
6. Study On The Width Of The Pressure Relief Zone And Gas Discharge Zone Of The Coal Seam In The Goaf Of Xintun Mine
7. Technology And Engineering Practice Of High Gas And Low Permeability Coal Seam Drainage With Hydraulic Slit
8. Research On Application And Evolution Law Of Pressure Relief Gas Reservoir In Fully Mechanized Caving Mining Of Extra-thick Coal Seam
9. Research On Pneumatic Punching And Unloading Technology Of Soft Coalbed Methane
10. Research On The Gas Migration Law Of Pressure Relief In Close-range Coal Seam Mining And Precise Extraction By Directional Long Drillin
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