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Keyword [Binchang mining area]
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1. The Reserch Of Water Hazard Control Techniques For Thick Caol Seam Exploitation Under Extremely Thick Sandstone Aquifer In Binchang Mining Area
2. Palaeogeography And Coal-accumulation Of The Yan'an Formation In Binchang Mining Area
3. Geochemical Characteristics Of NO.4 Coal In Mengcun Mine
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