pushing track of hump

例句：

1. 1. The train's pushing track is visible from the platform.
   从站台上可以看到火车的推动轨道。
2. 2. The engineer carefully adjusted the pushing track to ensure smooth operation.
   工程师仔细调整了推动轨道以确保平稳运行。
3. 3.The new technology will greatly improve the efficiency of the pushing track system.
   新技术将大大提高推动轨道系统的效率。