belt reversing drive

例句：

1. 1. The car has a belt reversing drive that allows it to change gears quickly.
   这辆车有一个反向传动带，可以快速换挡。
2. 2.The new model uses a belt reversing drive system that is more efficient than the previous one.
   新款模型使用了比旧款更高效的反向传动系统。
3. 3. The engineer designed the belt reversing drive to ensure smooth operation of the heavy machinery.
   工程师设计了反向传动带，以确保重型机械的平稳运行。