railway freight volume

 
  • 铁路货运量

railway freight volume的用法和样例:

例句

  1. After analyzing the data on railway freight volume of recent years, the authors establish the railway freight volume forecasting model by use of grey theory.
    摘要通过对近年全国铁路货运量的统计数据进行分析,运用灰色理论建立了铁路货运量预测模型。

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