The big advantage of this system is that you don't have to break up the train into individual cars to do the work on one vehicle. The time saved reduces the period the train is out of service.

这种方法的最大优点就是在检修单独的车辆时不必进行解列作业，这样可以缩短列车的掉线时间。

youdao

The big advantage of this system is that you don't have to break up the train into individual cars to do the work on one vehicle. The time saved reduces the period the train is out of service.

这种方法的最大优点就是在检修单独的车辆时不必进行解列作业，这样可以缩短列车的掉线时间。

youdao