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Keyword [roof strata]
Result: 21 - 27 | Page: 2 of 2
21.
The interaction of active or passive roof bolts, stress conditions, and the immediate roof strata in a longwall mine in the United States
22.
Roof Strata Rupture Regulation And Surrounding Rock Control In Single Pass Longwall Mining With Cutting Height Of 8.8m
23.
Mining Scale Effect Of Roof Strata Movement Law In Fully Mechanized Mining Face
24.
Study On Collaborative Mining Theory And Roof Strata Mechanical Behavior Of Deep Gently Inclined Medium-thick Orebody
25.
Research And Application Of Detection While Drilling Mechanism For Geological Features Of Coalmine Roadway Roof Strata
26.
Research On Key Technology Of Automatic Drilling Identification System For Soft Rock Interlayer In Coal Mine Roof
27.
Study On Softening Hard Roof Of Working Face By Hydraulic Fracturing And Its Influence On Gas Extraction In Fractured Zone
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