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Keyword [pipe roof support]
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1. Pipe Roof Support Nursing Trolley Luffing Mechanism Of Hydraulic System Design And Its Dynamic Characteristics
2. Pipe Roof Support Nursing Trolley Rig Power Head And The Hydraulic Drive System Dynamics Research
3. In Underground Pipe Roof Support Finite Element Analysis
4. The Optimization Of Pipe Roof Support Parameter And Design Of Calculation Program
5. Study On Mechanical Characteristics Of Pipe Roof System When Tunnel Cross Loose Accumulation Deposit Region
6. Numerical Simulation Research On Pipe-roof-support And Under This System Of Feet-lock Bolt In Weak Rock Tunnel
7. Study On Stability Of The Entrance Of The Tunnel Under Pipe-Roof-Support System In Terms Of The Constructive Influencing Factors
8. Study On The Pre Support Technology Of Tunnel Roof Under Unfavorable Geological Condition
9. Study On Excavation And Support Of Soft Rock Tunnel In High Ground Stress Field
10. Study On Inclined Shaft Section's Excavation And Support Method Of Urban Expressway Tunnel
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