Third Wireless Operator

삼등통신사

Third Officer

삼등항해사

Three Phase

삼상

Tri-colored Light

삼색등

Triplex Safety Glass

삼중안전유리

Triple Screw Vessel

삼추진기선

Three Deck Vessel

삼층갑판선

Transom Beam

선미보

Tipping

선미침하

Trim by Stern

선미트림