长距离下沉式道路
long distance sink-style road
long-distance sunk road
城市沥青道路路面
city bitumen road surface
人行道、道路和停车场及附属设备
road & parking appurtenances
walk
集成电路距离保护装置
integrated circuit distance relay device
线路距离保护
power line distance protection
transmission line protection
最短距离路由转发
shortest distance routing-transferring