短語詞組短語sluice -gate lips 泄水閘門下緣waterproof sluice -gate 防水閘門floodgate sluice sluice gate 水門cylindrical sluice gate 圓筒形水閘fuel pit sluice gate 燃料水池閘門water sluice gate 水閘門tidal sluice gate [海洋]擋潮閘 返回 sluice gate