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1.
Study On Reasonable Width And Control Technology Of Small Coal Pillar Gob-side Entry Driving In Dong Huai Coal Mine
2.
Research On Stability Mechanism And Control Technology Of Small Coal Pillars In Yang Chang Wan Coal Mine Ining Engineering
3.
Study On Surrounding Rock Control Technology Under The Influence Of Mining In Ⅲ4 Gangue Roadway Of Luling Mine
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