railway freight traffic volume

• 货运量

railway freight traffic volume的用法和样例：

例句

1. The model overcomes the unpredictability due to monotonicity and periodical fluctuation of freight volume.
   该模型克服了货运量的单调性和周期波动性给预测带来的困难。
2. Now China ranks the antecedency in the world in the using efficiency and freight amount per kilometre.
   目前中国铁路使用效率及平均每公里货运量，均位居世界前列。