certificate of competency

短语词组

短语

• foreign certificate of competency 外籍适任证书
• COC certificate of competency 船员
• area a certificate of competency 类适任证书;A类适任证书
• river trade certificate of competency 内河航行合格证书
• certificate of competency as master 翻译;船长合格执照英语
返回 certificate of competency