1) freight train kilometers
货物列车公里数
4) Freight train
货物列车
1.
Grasp Speed-up Opportunity to Optimize Transport Organization of Freight Trains;
把握提速契机,优化货物列车运输组织
2.
Simulation of entire derailment courses of freight trains on railway steel plate beam bridges;
铁路钢板梁桥上货物列车脱轨全过程仿真
3.
Influence of freight train formation on spatial vibration of train-bridge system;
货物列车编组对列车-桥梁系统空间振动的影响
5) wagon-kilometer
货车车辆公里
6) loaded freight car kilometers
货车重车公里
补充资料：数不胜数
1.数也数不清。形容很多。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条