如何: how; what进行: be in progress; be underway; ...信件: letter; mail; missive分类: classify信件分类装置: mail sorter如何进行市场调研: rar中如何进行语音识别: ms speech sdk如何进行房地产系列广告策划: rar信件分拣室: sorting office信件分选机: letter sorting machine如何进入大学: how i got into college进行信号: clear signal; proceed signal如何进一步解释: how to rephrase案件分类: case class部件分类: part classification对邮件分类: sort the mail文件分类: document classification文件分类机: document sorter邮件分类: classification of mail元件分类: part categories钩行信件整理器: hook file追踪执行信件事宜: followeducorrespondencee何进: he jin呼叫进行信号: call progress signal连接进行信呈: connection in progress signal