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Keyword [Y-type Ventilation System]
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1. Research On Gas Field In Gob With Y-type Ventilation System By Numerical Simulation
2. Application And Law Of Gas Migration In Gob With Y-type Ventilation System By Gob-side Entry Retaining
3. Research On Y-type Ventilation System Gas Migration Rule Of Pillarless Mining
4. Research On The Law Of Air Leakage In Goaf Of Gob-side Entry Retaining With Y-type Ventilation System On Feng Huangshan Coal
5. Application Research On Pumped-concret Support Based On Flexible Formwork Of Gob-side Entry Retaining In Deep Mine And Thick Coal Seam
6. Study On The Characteristics Of Air Leakage In The Goal Under A Y Type Ventilation System Using Cutting Roof And Release Pressure Method Mining
7. Research On The Key Technology Of Top Cutting Pressure-relieve And High Water Filling And Gob-side Entry Retaining In High Gas Mine
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