不清楚检修需要多长时间，因此建议乘客呆在船上或上岸不要走远，随时准备上船。
It was uncertain how long the repairs would take, so the passengers were advised either to stay on board or be ready to rejoin the ship at a moment's notice.
这台发动机需要检修。
它和其他类型的设备一样，也需要定期检修。
Like any other type of equipment it requires regular servicing.
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