1) Zone of Backwater Upstream
上游壅水区
2) the upper and middle reaches of four rivers
四水中上游区
3) backwater
[英]['bækwɔ:tə(r)] [美]['bæk'wɔtɚ]
壅水
1.
Experimental and theoretical study of skew bridge backwater;
斜交桥壅水试验研究与理论探讨
2.
Comparison of Existing Backwater Models for Bridge Piers in Subcritical Flows;
桥墩壅水的计算方法比较
3.
Experimental study on backwater of submerged dikes;
淹没丁坝群壅水试验研究
4) dammed water
壅水
1.
Owing to located at the backwater effect end of 315 to water level of Sanmenxia reservior, the Dayudu area in the Yellow River was cause dammed water in the middle of January of 1996 when cold air overcasted with temperature falling down 5 to 7℃, which brought about ice accumulation in channel and ice blocking the river under discharge of around 300m3/s.
长时间的低温风雪天气，以及大风降温初期在黄河小北干流和潼关河段所形成的冰凌堆积，又直接导致冰塞壅水节节上延。
5) choked flow
壅水
1.
Research on plenar 2-D mathematical model of bridge pier choked flow;
桥渡壅水平面二维数学模型模拟研究
6) Words of the masses are obstructed to the knowledge of officials
壅于上闻
补充资料：长江中上游防护林
中国在长江中上游流域各省区实施的林业生态工程。规划造林667万公顷，以恢复和扩大森林植被，遏制水土流失。建设时间为1989-2015年。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条