Wanjiazhai hydro project is a large hydro project on the middle trunk stream of Yellow River.
万家寨水利枢纽是黄河中游干流上的大型水利枢纽工程。
In these latter years, ECRD has gradually evolved as one of trunk stream type of dam in the world.
近几十年来,土质心墙堆石坝已逐渐成为世界上高坝建设的主流坝型之一。
The results showed that heavy metal appeared inverted "W" on longitudinal distribution characteristics in the trunk stream .
结果表明:在主干流河道的顺流断面中,各种重金属元素整体上表现出明显的倒“W”型分布。
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