medium maintenance group

例句：

1. 1.The team is responsible for maintaining the medium-sized office building.
   该团队负责维护中型办公楼。
2. 2.The company has a medium maintenance group that ensures the equipment is functioning properly.
   该公司有一个中等维护组，确保设备正常运行。
3. 3.The team's medium maintenance group has been instrumental in maintaining the facility's cleanliness and efficiency.
   该团队的中等维护组在保持设施清洁和效率方面发挥了重要作用。