输入中继线 [通信] incoming trunk

多点分出接入中继线 multidrop access trunk

接入中继线 access trunk

交换台入中继线 board incoming trunk

介入中继线 offering trunk

进入的中继线路 ICC IncomingTrunkCircuit

入局中继线 ICT InComingTrunk

入局中继线终端 ITT IncomingTrunkTerminal

入局中继线线路 ITC IncomingTrunkCircuit

长途入局中继线 toll incoming trunk