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Keyword [under the goaf]
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1. Study On The Surrounding Rock Control Technology Of Gob-side Entry Retaining Under Goaf In Deep Mine At Pangzhuang Coal Mine
2. Research On Overbufden Rock Activity In Fully Mechanized Face Of Large Mining Height Under The Goaf Of Close Distance Coal Seams
3. Study On The Strata Behavior Characteristics Of Fully Mechanized Caving Under The Goaf Of Contiguous Seam Group
4. Study On Mining And Safety Guarantee Technology Under The Goaf Of Upper Layer In 1-2 Seam Of HuoJitu Mine
5. Study On The Movement Of Overlying Rock And The Law Of Mine Pressure Appearance In The Mining Of Thin Coal Seam Under The Goaf Of Liangshuijing Mine
6. Study On The Overburden Breakage Law Of The Coal Face Under The Goaf In The Close Distance Coal Seams
7. Flexible Anchorage Of Road Driving Along Goaf With Large Dip Angle Under Goaf Research And Application Of Supporting Technology
8. Study On Bolt Support Technology Of Roadway Under Goaf In Close Distance Coal Seam
9. Research On The Entry Layout And Support Technology Under The Goaf And Variable Thickness Of Gangue
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