降落区在后甲板。
当航行在危险区域时要将以上门窗从内锁死，只留一个通道用来给甲板巡逻船员撤进生活区，最后撤进的船员不要忘记从内锁死。
When navigate in dangerous area be sure all door locked only one entrance for deck patrol crew final come in and when final crew come in be sure don't forget close it from inside.
任何可移动的在甲板上的步行区必须带栅条。
Any removable pedestrian flooring on deck to be of grating type.
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