短語(yǔ)詞組短語(yǔ)electronic mail document system 公務(wù)電子郵件系統(tǒng)Mail Delivery System 郵件傳送系統(tǒng);郵件傳遞系統(tǒng);送系統(tǒng)mail e system 電子郵件系統(tǒng)mail Network system 電子郵件系統(tǒng)international mail transportation system 國(guó)際郵件運(yùn)輸組織mail accounting system 郵件計(jì)費(fèi)系統(tǒng)Voice Mail Paging System 語(yǔ)音自動(dòng)回答a mail informing system 郵件通知系統(tǒng) 返回 mail system