방폭격벽등

Flame-proof Bulkhead Light

방폭구조

Explosion Proof Type

방폭기기

Explosion-proof (Fire-proof) Apparatus

방향탐지기

Direction Finder

방현재

Fender

방형(비척)계수

Block Coefficient

방형선수재

Barstem

방형용골

Bar Keel

방화격벽

Fireproof Bulkhead

방화구조

Fire Protection Construction