服务数字网络 meaning in English
isinternet
Examples
- Isp : internet service provider
综合服务数字网络 - Isdn . telecommunications - integrated services digital network - call hold supplementary service
电信.综合服务数字网络 - Isdn . telecommunications - integrated services digital network - call waiting supplementary service
电信.综合服务数字网络 - Isdn . telecommunications - integrated services digital network management - primary rate physical layer
电信.综合服务数字网络 - Isdn . telecommunications - integrated services digital network - conference calling supplementary service
电信.综合服务数字网络