| 释义 |
head-gate 英'hedɡ'eɪt美'hedɡ'eɪt
基本英英
n.首部闸门⁵⁰;引水闸门⁵⁰
名词 head gate:
regulator consisting of a valve or gate that controls the rate of water flow through a sluicea gate upstream from a lock or canal that is used to control the flow of water at the upper end |