专用线路 dedicated line ; PSNPrivateLines ; [电] [通信] private line ; [通信] private circuit

专用线路网 leased line network

专用线路业务 private line service

虚拟专用线路业务 VPWS

专线、专用线路 private line

半专用线路 semi-private circuit

虚拟专用线路服务 VPWS

国际私有专用线路 International Private Leased Circuit ; IPLC

铁路专用线 railway siding ; railway special line ; exclusive spur line

专用线路接口 private line interface