Purifier Lubricating Oil Heater

청정기윤활유가열기

Patrol Boat

초계정

Plumb Line

추선

Propulsion

추진

Propulsion Auxiliary Machinery

추진보기

Propulsive Efficiency

추진효율

Percussion Welding, Percussive Welding

충격용접

Profile, Side Elevation

측면도

Permeability

침수율

PT : Penetration (Liquid)Test

침투(액)탐상시험