The paper describes the major significance, guiding ideology, general objectives, main features and operation plan of passenger and freight trains of the train working diagram of 1997.
阐述了1997年列车运行图编制的重大意义、指导思想、总体目标、几项原则、主要特点，以及客货列车的开行方案。
The paper describes the major significance, guiding ideology, general objectives, main features and operation plan of passenger and freight trains of the train working diagram of 1997.
阐述了1997年列车运行图编制的重大意义、指导思想、总体目标、几项原则、主要特点，以及客货列车的开行方案。
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