短語詞組短語camp -on system [通信]臨時(shí)插入系統(tǒng)Attendant Camp -On 來電轉(zhuǎn)駁至占線分機(jī);話務(wù)員忙等待呼叫Automatic Camp -On 自動(dòng)預(yù)占;主動(dòng)預(yù)占Camp -on signal 預(yù)占信號(hào)Station Camp - On 分機(jī)轉(zhuǎn)駁 返回 camp on