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Keyword [upper corner gas]
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1. Study On The Law Of Gas Transport In High Gas And Full Mechanized Coal Face And Its Goaf
2. Study On Hydraulic Pressure Fan To Blow Gas In Upper Corner
3. Research On Similar Simulation Of Gas Drainage Technology On Mining Face And Fire Prevention In Gobs
4. Research On The Gas Control Technology In High Special Gas Emission Roadway Of Wuyang Coal Mine
5. Study On Upper Corner Gas Controlling In Working Face Of Spontaneous Combustion Coal Seam In Li Ya Zhuang Mine
6. Study On Effect Of Drainage Conditions On Gas Accumulation Characteristic In Upper Corner
7. Study On The Numerical Simulation Of Gas Control In The Goaf Of High-Gas And Full-Mechanized Mine
8. Based On The Mining Face Roof Field Gas Concentration Distribution Inface Of Location Optimization Roof High Pumping Lane Study
9. Research On The Upper Corner Gas Control Technology At Fully Mechanized Working Face Of Shendong Baode Coal Mine
10. The Exploration Of "Double U" To "U+high-level Roadway" Arrangement In Yuwu Mining S1206 Working Face
11. 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
12. Study On The Accumulation Characteristics Of Gas In The Goaf In The Goaf Under The Conditions Of Extraction
13. Analysis Of The Accumulation Characteristics Of CO Gas In The Upper Corner Of The Fully Mechanized Mining Face
14. Study On The Treatment Of Upper Corner Gas In Fully Mechanized Top Coal Caving Face Of BaoDe Mine By Pneumatic Fan
15. Research On Long Borehole Drainage Technology With Large Diameter Roof Strike In High Gas And Thick Coal Seam
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