regulator consisting of a valve or gate that controls the rate of water flow through a sluice
同义词：sluicegate, sluice valve, floodgate, head gate, water gate
conduit that carries a rapid flow of water controlled by a sluicegate
同义词：sluice, sluiceway
penstock详细解释
pen.stock n.（名词）A sluice or gate used to control a flow of water.水闸门：一种用于控制水流量的闸门A pipe or conduit used to carry water to a water wheel or turbine.水渠，压力水管：一种将水输往水轮机或涡轮机的管道
