돌기용접

Projecrion Weld

돌림용접

Boxing

돌운반선

Stone Carrier

돌출난간

Fife Rail

돌출제방

Jetty

돌핀

Dolphin

돔천창

Dome Skylight

동결실

Freezing Room, Freezing Chamber

동계만재흘수선

Winter Load Line

동력계

Dynamometer