head-gate

英 ['hedɡ'eɪt] 美 ['hedɡ'eɪt]

• n. 首部闸门；引水闸门

英英释义

名词 head gate:

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