volume ratio of train todipper

例句：

1. 1. The volume ratio of the train to the car is a crucial factor in determining the fuel efficiency.
   火车与汽车的体积比是决定燃油效率的关键因素。
2. 2.The engineer carefully measured the volume ratio of the train and the car to ensure safety.
   工程师仔细测量了火车和汽车的体积比，以确保安全。
3. 3. The volume ratio of the train to the car is an important metric for evaluating the performance of the transportation system.
   火车与汽车的体积比是评估交通运输系统性能的重要指标。