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Keyword [gas drainage radius]
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1. Integrated Of Key Parameters Of Low Permeability Coal Seam Gas Drainage Drilling Through Layers Of Hebi 4Th Mine
2. Study On The Cross-measure Cutting Coal Technology Of Gradual And Rapid Model In Outburst Coal Seam Of Huale Mine
3. Guizhou Songhe Coal Mine Borehole Parameter Optimization Research
4. The Aging Research On Characteristics Of Gas Drainage Radius In Bedding Drilling On Wulunshan Coal Mine
5. Study On Gas Drainage Radius Of 11-2 Coal Drilling In Pan Mine
6. Study On The Drainage Radius And Productivity Calculation Of Tight And Condensate Gas Reservoir
7. Research And Development Of Coal Seam Gas Drainage Radius Measurement And Analysis System
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