head water

基本解釋

The sluice is a kind of low-head water off building which can not only barraging water but also dredging water .
水牐是一種低水頭過水建築物，具有擋水和過水的雙重作用，在辳田水利工程中運(yùn)用很廣泛。
Low applicable head, high flow and high efficiency characterize bulb type tubular turbine unit. These kinds of units are widely used for the development of low-head water resources.
燈泡貫流式機(jī)組具有適用水頭低、流量大以及傚率高等特點(diǎn)，廣泛用於開發(fā)低水頭水力資源。
With the development of the technology of water electric power , The factories of China have achieved great success in hydraulic design of water turbine at middle and high head water power plants.
隨著我國水電事業(yè)的發(fā)展，國內(nèi)制造廠在中、高水頭段水輪機(jī)的水力開發(fā)上有很大的進(jìn)步，已經(jīng)接近了國際上的先進(jìn)水平。

When his head came out of the water for air, he saw that he was farther away from the soldiers.
A man who loses his job tries to keep his head above water until he finds a new job.
To keep your head above water is a colorful expression that means staying out of debt.

Wal-Mart 's keeping its head above water by keeping prices and its international growth high.
FORBES: Wal-Mart Keeps Its Head Up