In this paper, the process, the feature and the cause for rivers sediment disasters is described briefly.
本文描述了江河泥沙灾害的过程、特征及成因。
Therefore, the classification and gradation of sediment disaster chain are also discussed in connection with sediment disasters.
在泥沙灾害分类分级的基础上，还研究了泥沙灾害链的分类分级。
Sediment disaster is one of the major disasters on the earth surface.
泥沙灾害是地球表层的主要灾害之一。
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