片语
exchange outgoing trunk出局中继线
OGT Outgoing Trunk送出中继线
outgoing toll trunk circuit长途去话中继器
interunit outgoing trunk[通信]
Outgoing Trunk Queuing出中继队列
outgoing automatic trunk equipment自动出中继设备
out-trunk去中继线
outgoing sender trunk出局发码器中继线
outgoing trunk group出中继线群
OGC Outgoing Trunk Circuit送出的中继线路