三副工程师
以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译
The Third Assistant Engineer, also known as the Fourth Engineer, is a licensed member of the engineering department on a merchant vessel.
He is a U.S. Coast Guard Licensed Ships Master and Third Assistant Engineer with extensive commercial sailing experience.
WHITEHOUSE: President Obama Announces More Key Administration Posts
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。