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Keyword [Broken roof]
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1. Study On The Comprehensive Technique About Surrounding Rock Control And Bolting Of Coal Roadway With Broken Roof
2. Study On The Broken Roof Stability In 6.2m Mining Height Fully-mechanized Face
3. Study On The Roadway Stability Analysis And Weak Broken Roof Rock Strengthen Supporting Research
4. Study Of Safety Mining Technology For Mining Gently Inclined Thin To Medium Thick Ore Under Broken Roof In GongBei Gold Mine
5. Under The Condition Of Broken Roof Of Roadway Surrounding Rock Failure Mechanism And The Anchor Support Technology Research
6. Research On The Broken Roof Support Technology Of Large Section Soft Rock Roadway
7. Research On Stability Of Thin Lofty Broken Roof In Large Cutting Height Workface And On Control Technology
8. Study On Techniques Of Rapid Excavation For Large Cross-Sectional And Compound Roof Coal Roadway
9. Study On The Ground Pressure And Gas Prevention And Control In Mining Stope Of Lower Coal Seam Of Close Distance Coal Seams
10. Research On The Working Face Of Broken Roof Control Technology Under The Gob In Splitting And Merging Coal Seams
11. The Research Of Support Optimization And Safety Monitoring Of Large Section Open-off Cut Of Broken Roof
12. Research On Hollow Grouting Cable Strengthening Technology Of Loose And Broken Roadway In Sima Coal Mine
13. Stability Of Surrounding Rock In Large Inclined And Medium Thick Coal Seam With Broken Roof When Blasting Mining Technology Transfers To Fully Mechanized Mining Technology
14. Study On Pre-reinforcement Technology Of Broken Roof In Fully Mechanized Mining Face
15. Study On Deformation Failure Laws And Adaptability Of Bolt Supporting In Deep Roadway With Broken Roof
16. Research On Key Technology And Application Of Large Diameter Deep Hole Mining
17. Study On The Diffusion Mechanism And Strengthening Characteristics Of Cement-silicate Slurry With Same Volume Ratio Grouting In Broken Surrounding Rock Of Roadway Roof
18. Research On The Optimization Of Coal Roadway Support And Coal Pillar Parameters In The Top Coal Failure Area
19. Study On The Mechanical Characteristics Of The Broken Roof Step Slip Advance Support Equipment
20. Research On Differential Control Technology Of Surrounding Rock In Extremely Close Range And Extremely Broken Roof Roadway
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