维修员

例句：

1. 1. The car needs regular maintenanceto keep it running smoothly.
   这辆车需要定期维护才能顺畅运行。
2. 2. Theold house needs a lotof maintenance work to be restored.
   这座老房子需要进行大量的维护工作才能恢复原状。
3. 3. The engineers areresponsible for the maintenance of the factory's machinery.
   工程师们负责工厂机械的维护工作。