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Keyword [the width of coal pillar]
Result: 1 - 2 | Page: 1 of 1
1.
Determine The Width Of Coal Pillar Under The Influence Of Mining Roadway Surrounding Rock And Supporting Technology Research
2.
Research On The Influence Of Basic Top Fracture Form On The Surrounding Rock Stability Of Semi-coal-rock Roadway Along The Gently Inclined Coal Sea
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