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Keyword [Reserved coal pillar]
Result: 1 - 2 | Page: 1 of 1
1.
The Study On The Influence Of Surface Subsidence In Coal Mining On The Construction Of High Speed Railway In South Shandong Provience
2.
Study On Reasonable Reserved Coal Pillar Width For Gob-Side Entry Driving By Roof Cutting And Pressure Relief In Selian No.2 Mine
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