file renewalfile updating文件: document; file; papers; inst ...更新: renew; replace; renovate; up ...文件修改, 文件更新: file update程序主文件更新: program master-file updating文件更新主程序: file update master program下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:文件更新,即可在微信中查询翻译