water gate

基本解释

The main measures for water gate protection in our country are painting and metal hot spray at present.
目前国内闸门腐蚀防护措施主要为涂料防护和金属热喷涂防护。
Now this device has passed the appraisal and beth applied on the water gate of Yize Rivr at Huai-yin town.
本装置已在淮阴市义泽河闸投入运行，并通过技术鉴定。
Corrosion of hydraulic steel water gate was an electrochemical process. Chemical reaction and current occur during corrosion process.
水工钢闸门的腐蚀主要属于电化学腐蚀，在腐蚀过程中不仅有化学反应，而且还伴随有微电流产生。

In one memorable week last year, the hot water heater, the pool pump and the mechanical arm on the gate in their driveway all went on the fritz.
FORBES: Magazine Article

a gate in a canal, leat, etc that can be opened or closed to control the flow of water