1.
A trunk line.
干线铁路或电话干线
2.
Railway: a2,867 km operational mileage of national railways; electrification rate:67%; All main railway lines in the province are electrified.
铁路：铁路营运里程2867公里，电气化率67%其中省内干线铁路全部实现电气化。
3.
north--south rail corridor [Jing--Jiu Line]
南北铁路干线〔京九铁路〕
4.
a main-line train, station
铁路干线列车、 车站.
5.
Litang-Zhanjiang Railway and Sanshui-Maoming Railway connect the national trunk railway lines to the whole country.
铁路黎湛线、茂线与国家铁路干线连通全国各地。
6.
a railway line that branches from the trunk line and then rejoins it later on.
一种从铁路干线分出来的后来又同干线会合的铁路线。
7.
a railway line connected to a trunk line.
一条连到主干线上的铁路线。
8.
Constructional technology of laying a new rail link between cross-CWR
新建铁路干线一次铺设跨区间无缝线路技术
9.
railroad overbridge
铁路跨线桥(铁路线在上)
10.
The flood washed away part of the main railway lines.
洪水冲走了部分铁路干线。
11.
"The river flooded its banks, washing away part of the main railway line."
洪水淹没了河岸,冲坏了部分铁路干线。
12.
The wreck help up traffic on the railroads main line tracks.
失事车辆阻碍了那条铁路干线的交通。
13.
the main line from London to Coventry
从伦敦到考文垂的铁路干线
14.
You could operate against the main line of the railway from there.
你从那里可以袭击铁路干线。
15.
Some Discussion About Location Design Technology of High-Speed Railway;
高速铁路选线设计技术若干问题探讨
16.
important route for traffic or transport,eg a road,railway line or river
干线（交通或运输的重要路线,如公路,铁路线或河流）.
17.
Research on the Backbone Link's Transmission Performance of Railway Wireless Mesh Network
铁路无线Mesh网络骨干链路传输性能研究
18.
Solution to the Control of Subgrade Settlement for Passenger Dedicated Line
客运专线铁路路基沉降控制的若干问题