보호안경

Goggles

보호유리

Cover Glass, Shield Glass

보호피막

Protective Coatings

복갑판선

Awning Deck Vessel, Awning Decker

복동기관

Double Acting Engine

복사열

Radiant Heat

복수기

Condensing Plant

복식용접기

Multiple Operater Welding Machine

복원력

Restoring Force

복원력 멸실점

Vanishing Point of Stability