维护工人

例句：

1. 1.The car needs regular maintenance to keep it running smoothly.
   这辆车需要定期维护，以保持其顺畅运行。
2. 2. Maintenance is a crucial part of any successful project.
   维护是任何成功项目的关键部分。
3. 3. The technicians are responsible for the daily maintenance of the equipment.
   技术人员负责日常的设备维护。