Outer Harbor

외항

Ocean Going Sea

원양구역

Ocean Going Vessel, Seagoing Vessel

원양선

Oiltight Bulkhead

유밀격벅

Oiltight Test

유밀시험

Oil Content Meter

유분농도계

Oil Paint

유성페인트

Oil-water Separator, Deoiler

유수분리기

Oil Brake

유압브레이크

Oiltanker, Crude Oil Carrier

유조선