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Keyword [thin topsoil]
Result: 1 - 2 | Page: 1 of 1
1.
A Study On The Law Of Rock Movement And Soil Variation In Mining Of Coal Seams Of Thick Loess And Thin Bedrock
2.
Study On Overlying Strata Structure Development And Roof Control Of Longwall Face Under Thin Topsoil And Thin Bedrock In Shallow Seam
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