问题详情

A vessel constrained by her draught may,in addition to the lights prescribed for power-driven vessels in Rule 23,exhibit where they can best be seen()or a cylinder.


A、two all-round red lights in a vertical line

B、three all-round red lights in a vertical line

C、two all-round yellow lights in a vertical line

D、three all-round green lights in a vertical line

时间:2022-03-01 17:25 关键词: 航行值班与海上避碰 水路交通运输技能考试 海船船员考试

答案解析

B