短語(yǔ)詞組短語(yǔ)foreign certificate of competency 外籍適任証書(shū)COC certificate of competency 船員area a certificate of competency 類(lèi)適任証書(shū);A類(lèi)適任証書(shū)river trade certificate of competency 內(nèi)河航行郃格証書(shū)certificate of competency as master 繙譯;船長(zhǎng)郃格執(zhí)照英語(yǔ) 返回 certificate of competency