Masonry-gravity dam, build at the narrow gully section of the small or very small basins, is a kind of retaining works of debris flow in common use.
圬工重力坝是泥石流工程防治常用的一种坝型，多建于特小流域或小流域沟谷的狭窄地段。
Because of the developed economy and frequently happening flood disasters in coastal medium and small basins in the southeastern China, it is very important to research flood prevention and reduction.
中国东南沿海中小流域经济发达，洪水灾害频繁发生，防洪减灾研究十分重要。洪水风险图综合自然、社会经济和洪水灾害等多种信息，在防洪减灾中可发挥重要参考作用。
I have bought two basins of flower, very small!
我最近买了两盆花，很小的！
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