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Keyword [top coal mining]
Result: 1 - 7 | Page: 1 of 1
1. Study Of Top-Coal Broken And Drawing Speed Of Working Face
2. Study On Technology Of Hard And Thick Top-coal Weakening In Fully Mechanized Caving Faces In Binchang Mining District
3. Study On Feasibility Of Complex Mechanical Releasing Top Coal Mining Technology In Wusigedu Mine
4. Study On Roadway Stability Of High Intensity Mining Condition
5. Analysis On Mining Method And Roof Stability Under Condition Of Transform From Large Height Mining To Top Coal Mining
6. Research On Hydraulic Fracturing Characteristics And Application Of Thick Coal Seam With Gangue
7. Optimization Of Single-wheel Grouping Interval Top-coal Drawing Approach In Extra-thick Coal Seams
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