작도용구

Plotting Device

작동유탱크

Operating Oil Tank

작동유펌프

Operating Oil Pump

작동체인

Messenger Chain

작업대

Workbench, Working Table

작업행정

Working Stroke

작은닻

Kedge Anchor

잔류응력

Residual Stress

잠수부선

Diver Boat

잠수조사선

Submersible-research Vehicle