沙害指的是通过沙漠地区的路段，因风沙的作用造成大量积沙而阻碍交通的现象。
绿洲农田沙害时空变化特征。
Characteristics of oasis farmland wind-sand disaster variation with time and space.
并提出了公路沙害快速治理技术体系与配套的技术措施。
Therefore, we suggested a technical system for rapid controlling of highway sand calamity and the configuring of measure.
因不同地带生态条件不同，引起铁路沙害可划分为四类九级。
According to different regions and ecological conditions, the sand hazard along the railway was divided into four types and nine grades.
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