repair of vehicles detached from train

例句：

1. 1. The car was repaired after the accident.
   事故后，这辆车被修理了。
2. 2. The old house needed a lot of repairs before it could be used again.
   这所老房子在再次使用前需要进行大量的维修。
3. 3. The engineer repaired the machine to get it back in working order.
   工程师修理机器使其恢复正常工作状态。