A vessel conducting mine clearing operations will show（）.<br>A:three balls in a vertical line<br>B:two balls in a vertical line<br>C:one ball near the foremast and one ball at each fore yard<br>D:one diamond near the foremast head and one ball at each fore yard

A vessel conducting mine clearing operations will show（）.
A:three balls in a vertical line
B:two balls in a vertical line
C:one ball near the foremast and one ball at each fore yard
D:one diamond near the foremast head and one ball at each fore yard

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)