Sluice gate.jpg
Scheherazade1
en
Sluice gate, Diagrams of sluices
commons
en
Sluice gate, Flow in a sluice gate (open channel flow)
commons
ja
水門、水瓶の図
commons_translated
ja
水門、水門の吹き流し(開水路流)
commons_translated
sluicing sluicegate sluice