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Keyword [Observation by the Upward Slant Deep Drilling]
Result: 1 - 2 | Page: 1 of 1
1.
Study On Fractured Zone Height In Fully-Mechanized Top-Coal Caving Of Chenjiagou Coal Mine
2.
Research On Height Of Water Flowing Fractured Zone Of Slice Excavation In Extremely Thick Coal Seam Of Barapukuria Colliery In Bangladesh
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