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本文是在大量野外调查基础上，就兰新铁路沙泉子段风沙危害的方式、成因做了较为详尽的分析，并提出了机械防护与生物防护相结合的综合防护模式，为解决此区间沙害提供了依据。
Based on a large number of field surveys, this paper makes a detailed analysis on the causes and causes of the sandstorm hazards in the sand block of Lan-Xin Railway and proposes a comprehensive protection mode combining mechanical protection with biological protection. In order to solve this problem, Provided the basis.