additional emergency bilge suction pipe
automatic bilge high level fluid alarms and pump units
ballast bilge water treatment system
bilge
桶胴
腹部
污水沟
底舱舭舱底水舱底开口
舭舱底水舭部污水沟舱底
桶腰
舭部污水沟舱底
舱底
搁浅
底舱
舱底水
膨胀
侧垫木
bilge alarm system
进水报警系统
舱底进水警报系统
舱底水报警系统
舱底进水警报系统舱底水报警系统
bilge and ballast general service pump
bilge and ballast oily water separator
bilge and ballast piping arrangement
bilge and ballast piping system
Bilge and Ballast System
bilge and ballastsystem