다중 디젤기관

Multiple Diesel Enhine

다축선(다추진기선)

Multiple Screw Ship

다층안전유리

Multiplex Safty Glass

다층용접

Multi-layer Weld

단거리국제항해

Short International Voyage

단늑판

Short Floor Frame

단동기관

Single Acting Engine

단락 아크용접

Short Circuiting Arc Welding

단락전류

Short Circuit Current

단면

Section