head gate

n. 總水門、水閘門、進水閘、總閘門

學術名詞

• 進水閘門：電機工程、電力工程
• 總水門：機械工程

英文釋義

1. regulator consisting of a valve or gate that controls the rate of water flow through a sluice
2. a gate upstream from a lock or canal that is used to control the flow of water at the upper end