head water

基本解释

The sluice is a kind of low-head water off building which can not only barraging water but also dredging water .
水闸是一种低水头过水建筑物，具有挡水和过水的双重作用，在农田水利工程中运用很广泛。
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.
灯泡贯流式机组具有适用水头低、流量大以及效率高等特点，广泛用于开发低水头水力资源。
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.
随着我国水电事业的发展，国内制造厂在中、高水头段水轮机的水力开发上有很大的进步，已经接近了国际上的先进水平。

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