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Keyword [horizontal section top coal caving]
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1. Basic Research On Control Of Surrounding Rock In Big Section Safety Mining In Steep Seams
2. Study On Structure And Control Of Surrounding Rock In Mining Steep Seams Using Horizontal Section Top-Coal Caving
3. Study On Behavior Of Superincumbent Strata In Mining 45 Degree Coal Seams Using Horizontal Section Top-coal Caving
4. Study On Gob-side Entry Retaining Technical With Horizontal Section Top Coal Caving In Steep-inclined And Very Thick Seam
5. Study On Disasters Resulted From The Leakage Of Wind And Technology Of Preventing And Extinguishing Fire In Top-coal Caving Of Steep Seam
6. Research On Roof Controlling Techniques In45°horizontal Section Top-coal Caving
7. Determing Rational Sub-level Interval For Top Coal Caving Operations In Steeply Inclined And Very Thick Coal Seam
8. Study Of Weakening Top Coal Using Water Injection In Fully Mechanized Sublevel Caving Mining Of Steep And Heavy Thick Coal Seam
9. Technical Research On Top Coal Weakening Of Large Horizontal Sectional Height In Extremely Steep And Extra Thick Coal Seam
10. Research On Surrounding Rock Control Of Horizontal Section Fully Mechanized Caving Mining Roadway In Steep Inclined Thick Seam Of Yimen Coal Mine
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