Therefore, the change trend of the silt content in travertine shows the change trend of soil erosion in valley.
因此石灰华中泥沙含量的变化趋势表征流域内土壤侵蚀的变化趋势。
By the experiment of sand model, an investigation of silt content, rank of silt grain and silt deposition rate under different conditions of water and silt have been obtained.
通过泥沙模型试验研究，分析不同入库水沙条件下进入取水口内水流的含沙量和颗粒级配，水库对泥沙的沉降率。
The former has high sand content, the latter is chiefly silt.
前者砂粒组含量较高，后者粉粒组为主要。
应用推荐