file copy文件: document; file; papers; inst ...副本: duplicate; repetition; copy; ...投標(biāo)文件副本: copy of tender/copy of bid作為獨(dú)立證據(jù)的文件副本: verified copy密件副本: blind carbon copy (bcc)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯