Which condition represents the appropriate time for setting off distress flares and rockets? （）<br>A:At one hour intervals<br>B:At half hour intervals<br>C:Only when there is a chance of their being seen by rescue vessels<br>D:Immediately upon abandoning the vessel

Which condition represents the appropriate time for setting off distress flares and rockets? （）
A:At one hour intervals
B:At half hour intervals
C:Only when there is a chance of their being seen by rescue vessels
D:Immediately upon abandoning the vessel

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:【10252937】个 (题库试题定时更新)