短語詞組短語leased telegraph circuit service 租用電報電路業(yè)務leased line circuit 租賃線線路LSTC LeaSed Telegraph Circuit 租用的電報電路leased d circuit 專用線leased telegraph circuit [租賃]租用電報電路international private leased telecommunication circuit 國際專用租線通信電路international private leased circuit 國際私用租用電路;國際專線;國際私有專用線路;中國聯(lián)通國際專線業(yè)務LCC Leased Circuit Connection 租用電路連接LCS Leased Circuit Service 租用電路業(yè)務 返回 leased circuit