upper water level

• 上游水位

upper water level的用法和样例：

例句

1. A dock construction built on a river bank causes naturally the water level upstr eam to rise and influ-ences the local flow pattern.
   河岸码头建筑物势必导致其上游水位壅高及对码头附近水流流态产生影响。
2. The upper Mississippi River in Missouri and Illinois is about to hit its high point.
   位于密苏里州和伊利诺斯州的密西西比河上游水位将达到顶点。