Inspection air pressure test(with water head) for No1. water ballast tank(No15 block).
No1压载水舱（No.15分段）气压试验（压头试验）检查。
The idea is to kill the organisms in the water before the ballast is released.
这套方案的目的是在排放压舱水杀死其中的生物。
排出压载水。
So, it is necessary to take some measures before the ballast water is discharged.
所以，在排放压载水之前对其进行一些处理是非常必要的。
Ship's ballast water is crucial in keeping ship balance and ensuring safety voyage.
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.
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。
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