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Keyword [mixed mining]
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1. The Mixing Mining And Transportation Study Of Produced Water From Different Layers In Dingbian Blocks
2. Study On Characteristics Of Overlying Strata Breaking And Roof Control Technology Of Coal Seam Group Mixed Mining Under Mountain
3. Strata Behavior Of The Mixed Mining Working Face Of Fully Mechanized Gangue Backfilling Mining And Caving Mining In Pingdingshan No.12 Coal Mine
4. Simulation Research On Regenerative Braking Energy Recovery System Of Hybrid Mining Vehicle
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