The dam, completed in 1936, is used for flood and silt control, electric power, irrigation, and domestic and industrial water supplies.
水坝完成于1936年，用于防洪和控制淤积，还能发电、灌溉、供给家庭和工业用水。
The results showed that the sediment both in cage fish farming and control area belonged to clay-silt type, and no differences were observed.
结果表明，养殖区和对照区沉积物类型均是黏土质粉砂，没有明显差异；
By 2008 key water and soil erosion control projects had covered a total area of 260000 sq km with 70 percent of such areas put under control and a silt reduction rate of 40% or more.
截至2008年，重点防治工程共治理水土流失面积26万平方公里，已实施重点区域治理的水土流失治理程度达到70%，减沙率达40%以上。
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