Tie-Line Trunk 联络线干线
central office line trunk 局间中继线
trunk line equipment 干线设备 ; 中继线设备 ; 干线装备
long line trunk 长距离线路中继
line trunk group 线路中继线群
private line trunk 专线中继器
scapular line trunk 躯干肩胛线
subscriber line trunk 用户线中继
Line Trunk Module LTM 用户中继模块
The blue line represents the trunk.
蓝色的线表示主干。
Our spinal cord is not merely a trunk line transmitting phone calls from the brain. It too thinks.
我们的脊髓不仅仅是传递大脑指令的“电话干线”，它也能思考。
They receive oil through pipeline gathering systems from production tanks and relay it to trunk line stations.
它们通过管道集油系统从生产罐接受原油，并把它转输到干线泵站。
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