比如，几个世纪以来，尼罗河、底格里斯河和幼发拉底河每年的洪水给下游山谷的居民带来了肥沃的淤泥和水源。
For centuries, the annual floods of the Nile, Tigris, and Euphrates, for example, have brought fertile silts and water to the inhabitants of their lower valleys.
该工程旨在改进农业生产，为底格里斯河和幼发拉底河流域贫困的东南村庄供水、供电。
It aimed to improve agriculture and provide water and electricity to poor south-eastern villages around the Tigris and Euphrates rivers.
通常情况下，上游国家主宰着河流的控制权，像底格里斯河和幼发拉底河，当从土耳其和叙利亚流入伊拉克时流量就减小了很多。
Usually upstream countries dominate control of a river, like the Tigris and Euphrates, which are much reduced by the time they flow into Iraq from Turkey and Syria.
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