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Keyword [drainage negative pressure]
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1. Research On Reasonable Negative Pressure In Gas Drainage System For No.2-1Coal Seam Of Jiu Lishan Mine
2. Study On The Law Of Negative Pressure Distribution For Bedding Pre Gas Extraction Borehole Under The Creep Action
3. Study On The Influence Of Spontaneous Combustion Induced By The Drainage Negative Pressure In Goaf
4. Research On Negative Pressure Drainage Of CBM Wells
5. Study On The Technology Of Fixed Point Continuous Measurement Of Negative Pressure In Borehole For Gas Drainage In Bedding
6. Study On The Influence Mechanism Of Gas Drainage Concentration In Bedding Boreholes And Its Control Optimization
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