backwater region 中文意思是什麼
backwater region
解釋
回水河段-
Taking the reach with fluctuating backwater area in jiaokou hydroplant in xiujiang river, guanxi zhuang autonomous region for instance, this paper analyzes the water - sediment characteristics of the fluctuating backwater area, calculates the design level of this reach with samples of level and discharge, etc., and propounds the determination method for the designed lowest navigable level of reach with fluctuating backwater area
以廣西繡江交口電站的變動回水區河段為例,分析了變動回水區的水沙特性,分別利用水位、流量樣本及不同方法計算與分析本河段的設計水位,提出了變動回水區河段設計最低通航水位的確定方法。 -
The experiment data shows that the region with large surface gradients in longitudinal and horizontal direction locates at the vicinity of spur dike. backwater appear upstream the spur dike, and there exist a recirculation area at the same side downstream the spur dike
實測水位資料表明水流縱橫向比降大的區域位於丁壩上下游附近,在丁壩的上游出現壅水,下游存在有收縮區和恢復區,離丁壩越遠縱橫向水位的變幅越小。
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