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Keyword [Gas drainage drilling]
Result: 1 - 10 | Page: 1 of 1
1.
Integrated Of Key Parameters Of Low Permeability Coal Seam Gas Drainage Drilling Through Layers Of Hebi 4
Th
Mine
2.
The Mechanism Research Of Gas Drainage Drilling Method
3.
Research On The Sealing Hole Depth Of 3# Coal Seam Gas Drainage In Licun Mine
4.
Pneumatic Chip Removal Mechanism Through The Drill Rod Bore During The Gas Drainage Drilling In Soft Outburst Coal Seam
5.
Numerical Simulation And Application Of Bedding Gas Drainage Drilling Parameters In Soft Coal Seam
6.
Numerical Simulation Research Of Low-permeability Coal Seam Of Gas Drainage Boreholes Parameters In Jinping Mine
7.
Study And Application On Improving The Stability Of Gas Drainage Drilling By High Strength Inner Support Pipe
8.
Research On Novel Sealing Material For Gas Extraction Borehole Based On Microcapsule
9.
Study On Optimal Layout Of High Level Gas Drainage Drilling In Goaf Of High Gas Working Face
10.
Research On The Technology And Equipment Of Multi-stage Pressure And Permeability Sealing In Gas Drainage Drilling
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