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Keyword [layer mining]
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1. The Luliang Multi-layer Reservoirs In The Hierarchical Lifting Oil Extraction Technology Research, And
2. Hydrogeological Conditions Analysis And Study On Water Control Program In Ⅲ11 Rock Fully Mechanized Face In Luling Coal Mine
3. Study On Formation Mechanism Of Jianshanying Deformation Body In Faer Minging Area Of Guizhou Province
4. Study On The Mining Induced Evolution Law Of Hydrogeological Conditions In Unconsolidated Layer And The Recovery Upper Limit Of Waterproof Coal Pillars
5. Study On Mining Surface Subsidence Rule And Prediction Method Under Thick Loose Layer
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