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Keyword [Three soft]
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41. Study On Fracture Field And Gas Flow Field In "Three Soft" Coal Seam
42. Study On Gob-side Entry Driving In Three Soft Coal Seam And Fully Mechanized Caving In Xindeng Coal Mine
43. "Three Soft" Coal Seam Mining Protective Layer Underlying The Coal Gas Coupling Model And Its Application
44. Study On Fracture Evolution Law Of Underground Coaland Rock Under Protective Layer Mining In "Three Soft" Coal Seam
45. Research For The Movement Law Of Top Coal And Roof In Fully Mechanized Top Coal Caving In "Three Soft" And Extra-thick Coal Seam
46. Study On The Size Of Yield Pillar And Technique Of Surrounding Rock Control In Guocun Coal Mine
47. The Research Of The Crucial Technology To Soft Coal Heading Of Coal And Gas Outburst Regional Comprehensive Outburst Prevention
48. Study On The Surrounding Rock Control Technology Of "Three Soft" Coal Seam Drifting Along Gob In Zhaojiazhai Coal Mine
49. Study On Prevention Technology Of Rib Spalling Of Coal Wall Water Injection In "Three Soft" Thick Coal Seam
50. Study On The Overlying Strata Movement Law And Control Technology Of "Three Soft" Coal Seam Up-dip Working Face
51. Study On The Bearing Law And Adaptability Of Hydraulic Support In Three-soft Coal Seam With Large Mining Height
52. Stability Analysis Of Stope And Parameter Optimization Of Gold Mining Under "Three Soft" Conditions
53. Research On The Technique Of Guiding Gob-side Entry Formed By Advanced Roof Caving With Weaking Bore In Three-soft Coal Seam
54. Research On Space-time Cooperative Outburst Prevention Technology Of Coal And Gas Co-mining In Over-protective Seam Of Three Soft Coal Seam
55. Study On Anchorage Control Of Surrounding Rock In Gob-side Driving Of Fully Mechanized Sublevel Caving In “Three Soft” Thick Coal Seam
56. Research On The Evolution Law Of Mining Fissures And Gas Drainage In The Three-soft Coal Seam Of Weibei Coalfield
57. Fast Goaf Forming Technology Of Deep Three Soft Coal Seams
58. Study On Support Technology Of Roadway In Three Soft Coal Seams Of Luohuaya Coal Mine
59. "Three Soft" Outburst Coal Seam Gas Drainage Hole Deflection Law And Engineering Application
60. Study On Deformation Mechanism Of Surrounding Rock In Typical Three-soft Coal Seams In Huopu Mine
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