체크밸브

Non-return Valve, Check Valve

초계정

Patrol Boat

초과속도한계

Over Speed Limit

초기설계

Initial Design, Preliminary Design

초대형유조선

Supertanker, Ultra Large Crude Oil Carrier : ULCC

초대형전함

Dreadnaught

초벌검사

Rough-turn Inspection

초벌칠

First Coat, Prime Coat,

초음파액면계

Supersonic Type Level Gauge

초음파용접

Ultrasonic Welding