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Keyword [sand-proof pillar]
Result: 1 - 2 | Page: 1 of 1
1.
Study On Retaining Safety Coal Pillar Against Sand With Fully Mechanized Caving Under Thick Alluvium And Thin Bedrock
2.
Failure Characteristics Of Overlying Strata In Shallow Coal Seam Mining And Setting Of The Water(sand)-proof Pillar
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