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1. Optimization For Mining Process In Wulongquan Limestone Mine
2. Study On Ventilation System Optimization Of 780 Pit Deep Mining In Daping Gold Mine
3. Water Environmental Carrying Capacity Evaluation Of Typical Regions In Henan Province
4. Research On Risk Assessment And Pre-control Management Of Unsafe Behaviors In Major Accidents In Coal Mines
5. The Dynamic Evaluation And Study On Difference Of Eco-environmental Quality In The Provinces
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