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Keyword [Water proof coal pillar]
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1. Management Technology Study Of Water-Proof Coal Pillar Of Mining Border
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 Retaining Water-proof Coal Pillar Of F9 Fault In Changheng Coal Mine
4. Comprehensive Detection Of Hydrogeological Conditions And Design Of Water Prevention In Panel 101 Of The Yuwang Coal Mine No.1 In Yunnan Province
5. Study On The Prevention And Control Of Water Technology Of Seam Mining Under Coal Mine
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