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