... 上游水位 affluent level; affluentlevel; head water elevation; head water level; retention elevation; upper level; upper pond level; upper pool elevation; upper pool level; upstream water level 上游水位线upstream water line; upstreamwaterline 上游水箱 upper water tank ...
双语例句
1
Control supply linewater pressure. install a soft seated spring loaded check valve upstream of the assembly.
控制供应管道的水压。在总成的上游安装一个软阀座，弹簧负载止回阀。
2
Revetments protect the space from dam crest to the line a certain distance, normally 2.5m, under the minimum water level of the dam upstream.