Combining slow freight and fast passenger trains is complicated.
把慢速货物列车和快速客运列车放在一起营运将使调配工作相当复杂。
On the basis of analyzing the above-mentioned several issues, the overall traction performance, structural type and application range of fast freight diesel locomotives were investigated.
在分析了以上几方面问题的基础上，对快速货运内燃机车的总体牵引性能，结构形式及运用范围作了探讨。
The coopration of railway freight and third-party logistics, on the one hand, can attain the goal of intensive and fast service, on the other hand, can enhance the level of rail freight services.
铁路货运与第三方物流相结合，既能实现集约化、快捷化的目标，又能提升铁路货运服务水平。
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