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Keyword [hard-thick coal seam]
Result: 1 - 6 | Page: 1 of 1
1.
Study On Technology Of Hard And Thick Top-coal Weakening In Fully Mechanized Caving Faces In Binchang Mining District
2.
Research On The Top Coal Caving And Drawing Characteristics Of Caving Roof Coal Mining For Shallawly Buries And Hard-Thick Coal Seam
3.
Pre-splitting Blasting Numerical Simulation Research On Xingtai Mine Steep Hard Thick Coal
4.
Study On The Support Technology And Its Application For Steep Hard Thick Coal Seam
5.
Research On Key Technology Of Fully Mechanized Top Coal Caving Method With Great Mining Height In Hard And Extra Thick Coal Seam In Yushen Mining Area
6.
Study On Roof Control Of 6m Large Mining Height Longwall Face In Shallow Buried Hard Roof And Hard Thick Coal Seam Face
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