train running time on load

例句：

1. 1.The train's loaded running time is crucial for the schedule.
   火车的载重运行时间对时间表至关重要。
2. 2. The engineer needs to monitor the train's loaded running time to ensure safety.
   工程师需要监控火车的载重运行时间以确保安全。
3. 3.The train's loaded running time can vary depending on the weight of the cargo.
   火车的载重运行时间可以根据货物的重量而变化。