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Keyword [deep thick hard roof]
Result: 1 - 2 | Page: 1 of 1
1.
Research On The Law Of Air Leakage In The Goaf Of Fully Mechanized Coal Mining Face In Deep Thick Hard Roof Thick Coal Seam
2.
Study On Structural Characteristics And Stability Of Surrounding Rock Of Gob-side Roadway In Deep Thick-hard Roof Backfilling Working Face
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