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Keyword [Hydraulic punching]
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1. Research And Development Of NC Programming And NC Control System Of Hydraulic Punching Machine
2. Research Of The Effects On Outburst Elimination Of The Hydraulic Flushing In Xin'an Coalfield
3. Research On The Technology Of Outburst Prevention For Rock Cross-cut Coal Uncovering Under The Igneous Intrusived Area
4. Study And Application Of Hydraulic Punching Of The Coal Seam二1at Fangshan Mine
5. Study And Application Of Transformational Hydraulic Punching
6. Outburst Outburst Floor Hydraulic Punching Technology
7. The Study On Hydraulic Flushing Technology For Outburst Prevention In Low-gas-permeability And High-gas Coal Seam
8. Experimental Study Of Hydraulic Punching Pressure Relief And Gas Extraction In The Low Gas Permeability Coal Seam
9. Experimental Study Of Hydraulic Punching On Outburst Coal Seam In QingDong Mine
10. Research On Comprehensive Outburst Elimination Technique Used For Uncovering Severe Outburst Mylonitic Coal In Crosscut
11. Study On The Mechanism Of Hydraulic Punching Gas Permeability And Method Of Effect Evaluation In The Nuodong Coal Mine
12. Research On Characteristics Of Gas Pressure Field In Deep Coal Seam Mining And Application
13. Improved Design Of 150T Single Row Hydraulic Punching Machine
14. Research On Hydraulic Pressure Relief And Permeability Increasing Technology Of High Gas And Low Permeability Coal Seam
15. Experimental Study On The Integration Of Hydraulic Punching/Fracturing Technology For Coal Pressure Relief And Permeability Improving
16. Physical Simulation Experiment Method Of Hydraulic Punching And Fracturing In Coal Seam To Enhance Gas Extraction
17. Research On Multi-field Coupling Effect Of Hydraulic Punching In Close Distance Coal Seam And Evaluation Of Pressure Release Gas Extraction Effect
18. The Research Of The Crucial Technology To Soft Coal Heading Of Coal And Gas Outburst Regional Comprehensive Outburst Prevention
19. Study On Combined Antireflection Technique Of Hydraulic Punching And Blasting Antireflection In Gaocheng Coal Mine
20. Optimization Of Coal Seam Hydraulic Punching Technology And Evaluation Of Outburst Control Effect In The Chiyu Coal Mine
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