반류

Wake, Following Wake

반목

Block

반문형기중기

Semi-portal Crane

반보

Half Beam

반원단면강

Half Round Bar Steel

반이동식소화기

Semi-portable Fire Extinguisher

반자동 아크용접

Semi-automatic Arc Welding

반자동용접

Semi-automatic Welding

반작용응력

Reaction Stress

반잠수형굴착선

Semi-submersible Drilling Unit