1·Heavy traffic overloaded the trunk lines.
繁忙的交通让主干道超负荷运行。
2·In addition, because there are so many passengers for certain places, many of the trunk lines fly the same routes.
另外，因为有很多旅客去某些地方，许多主要航空公司就飞相同的线路。
3·He said the railways would focus on transporting coal and restoring the capacity of trunk lines over the next 10 days.
他说：今后10天，铁路的重点工作将是保证煤炭运输和恢复干线运力。
4·Article14 in constructing trunk lines of underground traffic and other underground projects in a city, consideration shall be given to the needs of civil air defense.
第十四条城市的地下交通干线以及其他地下工程的建设，应当兼顾人民防空需要。
5·Based on the technical conditions of the four major trunk lines, this article demonstrates the rational match between hauled weight, operating speed and traffic density.
本文根据四大干线的技术条件，论证了提速客货列车的牵引质量，运行速度，行车密度间的合理匹配。
6·At the present stage, the layout of dumping stations for passenger trains on trunk lines of the railway system is determined generally on the basis of the grades of passenger stations.
现阶段铁路路网干线上的旅客列车垃圾投放站基本是根据客运站的等级确定的。
7·It puts forward a proposal concerning the practical matching plan for passengenger and freight trains on the four major trunk lines. Taking maximum traffic capacity as the judging criterion.
同时，提出了京广、京沪、京哈、陇海四大干线客货列车具体匹配方案及线路客货输运能力最大作为剖别条件的建议。
8·By the end of 2015 all railway trunk lines had realized diesel and electric locomotive traction; types and structures of passenger and freight transport vehicles had been upgraded and updated.
截至2015年年底，铁路主要干线全部实现内燃、电力机车牵引，客货运输车辆品种和结构均实现升级换代。
9·By the end of 2015, all railway trunk lines had realized diesel and electric locomotive traction; types and structures of passenger and freight transport vehicles had been upgraded and updated.
截至2015年年底，铁路主要干线全部实现内燃、电力机车牵引，客货运输车辆品种和结构均实现升级换代。
10·The regional and international combo network is integrated with domestic trunk and feeder lines.
地区和国际航线网络与国内支干线航班有机结合。