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Keyword [adjacent layer]
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1. A Coal Seam Gas Drainage Methods And Practice
2. Study On Methane Drainage By High Level Suction Tunnel Of Huang Yan-hui Coal Mine
3. Study On Gas Distribution Law In Adjacent Layer Of Exploitation Working Face Goaf
4. A Study On The Gas Drainage Practices Of Xinfeng Coal Mine In Lushan Town Weining County
5. Research And Application Of "Vertical Three Zones" Distribution Rule Of Overburden Under Multi Coal Seam Hosting Conditions
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