"查查詞典"手機(jī)版
千萬(wàn)人都在用的超大詞匯詞典翻譯APP
Reference Computer is a computerized supplement to PBX (Private Branch Exchange or PBX) that supports the internal telephone directory, absence data and messages. Reference Computer is an effective aid for the switchboard operator as information on the lines are obtained directly from a display.
詳細(xì)百科解釋