排出压载水。
所以，在排放压载水之前对其进行一些处理是非常必要的。
So, it is necessary to take some measures before the ballast water is discharged.
船舶压载水对保证船舶稳性和航行安全起着至关重要的作用。
Ship's ballast water is crucial in keeping ship balance and ensuring safety voyage.
如有必要，压载水舱会消除重量差异以保持船体平衡。
If necessary ballast tanks level out the weight difference to keep the ship stable.
No1压载水舱（No.15分段）气压试验（压头试验）检查。
Inspection air pressure test(with water head) for No1. water ballast tank(No15 block).
在进入封闭空间前，(如压载水舱)应作什么准备工作？
Before entering an enclosed space such as ballast tank, what action will you take?
在进入封闭空间前，(如压载水舱)应作什么准备工作？
Before entering an enclosed space such as ballast tank, what action will you take?
应用推荐