短語詞組短語foreign certificate of competency 外籍適任證書COC certificate of competency 船員area a certificate of competency 類適任證書;A類適任證書river trade certificate of competency 內(nèi)河航行合格證書certificate of competency as master 翻譯;船長合格執(zhí)照英語 返回 certificate of competency