A jack-up drilling rig being towed must（）.<br>A:turn off all lights that interfere with the navigation lights<br>B:turn on all available working lights on deck<br>C:ring the bell rapidly for five seconds once a minute<br>D:display two black diamonds in a vertical line during the day

A jack-up drilling rig being towed must（）.
A:turn off all lights that interfere with the navigation lights
B:turn on all available working lights on deck
C:ring the bell rapidly for five seconds once a minute
D:display two black diamonds in a vertical line during the day

出自：海船船员证

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10252701】个 (题库试题定时更新)