论文部分内容阅读
在全国铁路网络中，连接干线有许多铁路支线，这些支线作为路网的有机组成部分，在开发地方资源，吸引客流、货源各方面都产生了积极作用。
In the national railway network, there are many railway lines connecting the trunk lines. These branches, as an integral part of the road network, have played an active role in developing local resources, attracting passenger flow and supply sources.