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Keyword [Shallow seams]
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1. Study On Underground Pressure Behavior Of30101Fully Mechanized Face In Hanglaiwan Coal Mine
2. Mechanism And Prevention Of Support Crushing Disaster While Mining Out Of The Upper Coal Pillar In Close Distance Shallow Seams
3. Research And Application Of Extraction Technology In Fully Mechanized Face Of Fengjiata Coal Mine
4. Mechanism Of Strong Ground Pressure While Crossing The Overlying Roadways In Close Distance Shallow Seams
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