Semi-automatic Arc Welding

반자동 아크용접

Semi-automatic Welding

반자동용접

Semi-submersible Drilling Unit

반잠수형굴착선

Semi-submersible Platform

반잠수형플랫폼

Semi-balanced Rudder

반평형타

Stage, Scafold

발디딤판

Step, Footstep

발판

Stage Plank

발판판자

Smoke Helmet

방연헬밋

Sound Insulation Construction

방음구조