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21. Study On Mechanical Properties Of One - Dimensional Addition And Unloading Of Limestone
22. Stability Analysis Of Single And Closely-Spaced Double Tunnels Based On Load-Unload Response Ratio Theory
23. Study On Stress Path Variation Of Surrounding Rock And Mechanism Of Rockburst In Coal Roadway Excavation
24. Study On Deformation And Support Technology Of Crossheading Surrounding Rock In Deep And Thick Coal Seam Under Impact Load
25. Design Of Control System For Automatic Welding Production Unit Of Oil-absorbing Flange
26. Research On The Mechanical Properties Of Rock-like Materials Under Load And Unload Conditions
27. Prevention And Control For Stress Induced By Wedge Of Steeply Inclined Deposit
28. Research On Mechanics And Seepage Law Of Gas-Bearing Coal-Rock Under Different Stress
29. Study On Strain-Acoustic Emission Response Characteristics And Fracture Precursor Information Of Coal And Rock Under Loading And Unloading
30. Study On Mechanism Of Ground Pressure Disaster And Prevention And Utilization Technology Of Inclined Broken Ore Body In Hemushan Iron Mine
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