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METHOD FOR PROTECTION OF TERRITORIES WITH HEAVY EARTHS AGAINST UNDERFLOODING
METHOD FOR PROTECTION OF TERRITORIES WITH HEAVY EARTHS AGAINST UNDERFLOODING
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机译:防止洪水泛滥的地区保护方法
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摘要
Method for protection of territories with heavy earths against underflooding through formation of discharge collector in lower part. From territory being protected one removes the upper humus layer of soil on place of which one forms layer of filtration material, after that one uniformly lays there humus layer removed before.
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