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Keyword [steep thick seam]
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1. Study On Gas Emission Law Of Full-mechanized Working Face In Steep Thick Coal Seam
2. Research On Top Coal Weakening Technology Using High Level Fully-mechanized Cavingin Steep Thick Seam
3. Research On Upper-coal's Weaken Technology Using High Level Fully-mechanized Caving In Steep Thick Seam
4. Research On Supporting Techniques Of Mining-entries In Extremely Steeper Thick Coal Seams
5. Research On Steep Thick Seam Upper-coal’s Comprehensive Weaken Technology Based On SCA
6. Tianhe Coal Mine Steeply Inclined Thick Seam Coal Mining Method Optimization Research
7. Study On The Top Coal Caving And Drawing Controllability In Fully Mechanized Caving Face Of Steep Thick Seam
8. Research On The Gas Migration Mechanism Of Steep Thick Seam In Fully Mechanized Top-coal Caving
9. Study On Phenomenon Of Underground Pressure In Top Coal Caving Of Large Inclined Angle In Trend And Tendency
10. Stability Of Large Height Supports In Fully Mechanized Face Mining Steeply Inclined Thick Coal Seam
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