值班时间一天中被划分的要求部分船员在甲板上值班的那段时间

值班时间一天中被划分的要求部分船员在甲板上值班的那段时间的英文翻译

基本释义

• Any of the periods of time into which the day aboard ship is divided and during which a part of the crew is assigned to duty.