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Keyword [high extraction roadway]
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1. Research On High Extraction Roadway Drainage Technology In Wuyang Coal Caving Face With High Gas
2. Influential Effects On Spontaneous Combustion Induced By High Extraction Roadway And The Control Techniques
3. Study On Gas Drainage Technology Of High Extraction Roadway In Xiagou Coal Mine
4. Optimization Study On The Layout Of High Drainage Roadway For Prevention And Control Of Gas Overrun In The Corner Of 1301 Working Face Of Licun Coal Mine
5. Distribution Of Gas And Oxygen Concentration Field In The Goaf Of "Y+ High Pumping Alley" Working Face And Its Applications In Disaster Prevention
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