短語詞組短語CONF CONFerence calling 會(huì)議呼叫conference calling equipment 會(huì)議電話設(shè)備Conference Calling Indicator 會(huì)議呼叫指示蓡數(shù)conference calling detail 電話會(huì)議呼叫Conference Calling Supplementary Service 會(huì)議呼叫補(bǔ)充業(yè)務(wù) 返回 conference calling