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Keyword [soil-rock contact zone]
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1. Mechanical Characteristics Research On Deep Sand-Weathered Rock Contact Zone
2. Study On The Setting Of Water-Proof Coal Pillar In Fully Mechanized Caving Mining At 7401 Working Face Of Zouzhuang Coal Mine
3. Study On Safety Pillars In Fully Mechanized Caving Mining Under Thick And Loose Aquifer In Qingdong Coal Mine Of Huaibei
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