【經(jīng)】 union certification

工會的英語翻譯：

labour union; union
【經(jīng)】 labour union; trades union; union

證明的英語翻譯：

prove; certify; argue; demonstrate; justify; manifest; testify; vouch
【計】 proofness; proving
【化】 proofing
【醫(yī)】 certificate; certify; proof
【經(jīng)】 attest; attestation; authenticated; authentication; certification
certify; testimony