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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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。

youdao