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Combination roadway and pipeline way in permafrost regions
Combination roadway and pipeline way in permafrost regions
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机译：多年冻土区的巷道与管道相结合
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摘要
A combination roadway and pipeline way for use over permafrost comprising a roadbed and at least one pipeline embedded in a side area of the roadbed, insulation means carried between the pipeline and permafrost and extending laterally from both sides of the pipeline a distance sufficient to prevent substantial amounts of heat radiation from passing from the pipeline around the edges of the insulation means and into the permafrost.
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