Ballast water is carried in cargo ships to provide needed stability.

压载水由货船装载，以提供必要的稳定性。

youdao

Have the procedures for cargo and ballast handling been agreed?

液货及压载操作程序业经同意？

youdao

Then the sound of rumbling thunder reached the watchers on the shore, as cargo, ballast, ammunition and 400 people went sliding and crashing down to the port side of the steeply listing ship.

接着船上的货物、压舱物、弹药和400名官兵都向倾斜得很厉害的左边滑去，一起撞到船舷上，发出的轰隆隆巨响一直传到岸上观众的耳里。

youdao

The states also will look for agreement on the best way to regulate ballast water dumped by oceangoing cargo ships, the primary vehicle by which aquatic invasive species have reached the Great Lakes.

WSJ: Great Lakes governors seek agreement on invasives