additional emergency bilge suction pipe
bilge suction non-return valve
bilge suction pipe
舱底水吸入管
舶水吸管
舱底水吸入管舱底水吸入管路
舱底水吸入管路
水吸入管
舱底吸水管
emergency bilge suction
emergency bilge suction valve
independent bilge suction
bilge pump suction pipe
suction chamber of double suction pump
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