Ballast water can insure the ocean liners voyage safety and high transport efficiency.
船舶普遍使用的压载水，是现代远洋船舶航海安全和高效营运的保证。
2
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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This essay, basis on ballast water management experience on a voyage from Europe to US Gulf, inquire into some key points on ballast water exchange and report on vessel bound for USA.