vehicle rational towing load

例句：

1. 1. The vehicle's weight and sizeshould be considered when determining the rational towing load.
   在确定牵引负荷时，应考虑车辆的重量和尺寸。
2. 2. The truck's towing capacity is determined by itsweight and the distance it can travel.
   卡车的牵引能力由其重量和可以行驶的距离决定。
3. 3. The engineer carefully calculated the vehicle's rational towing load to ensuresafe operation.
   工程师仔细计算了车辆的合理拖拽负荷，以确保安全运行。