Ballast Tank
压载水仓
压载舱
气镇罐
压载箱
压载罐
球轴承钢
矸层
压载水舱
频带
夹层
压舱柜
压载舱压载水舱
平衡用容器
压载双层底舱
ballast tank arrangement
clean ballast tank {= CBT}
dedicated clean ballast tank
dedicated clean ballast tank system
main ballast tank floood valve
Segregated ballast tank
segregated ballast tank {= SBT}
be in an emergency; report an emergency; ask for emergency help
ballast distributing and trimming machine；ballast distributing and regulating machine
ballast water and de-ballast water