片语
third engineer officer三管轮
Coast Guard vessel third officer海岸警卫船三副
third officer or third mate三副
third postal officer三等司事
acting third officer代理三副
third mate(商船上的)三副(等于third officer)
third fire officer三等救火员
o third officer三副
OR THIRD MATE ASSISTANT OFFICER驾助
third officer room三副室