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METHOD OF DRYING LAND IN PERMAFROST ZONE
METHOD OF DRYING LAND IN PERMAFROST ZONE
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机译:冻土区的土地干燥方法
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摘要
the invention относитс to land reclamation and the land дл rural хоз йства or добьши peat in areas of permafrost. the purpose of изобретени accelerating and improving the quality of осушени by sta
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