The ballast system circulates from out-board under pump running at the maximize design parameter, and the time is not less than 30 minutes.
压载泵在设计最大参数下进行舷外循环的时间不少于30分钟。
The ballast system circulates from out-board under pump running at the maximize design parameter, and the time is not less than 30 minutes.
压载泵在设计最大参数下进行舷外循环的时间不少于30分钟。
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