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Mining oil shale and backfilling with mechanically compressed spent shale
Mining oil shale and backfilling with mechanically compressed spent shale
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机译:开采油页岩并用机械压缩的废页岩回填
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摘要
The producing of shale oil by mining and retorting oil shale is improved by compressing the spent shale into a mass that is capable of both fitting within the mined out volume and supporting the overburden.
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