zoned air supply

例句：

1. 1. The city has implemented a zonedair supply system to improve air quality.
   该市实施了一个分区供气系统，以改善空气质量。
2. 2. The new air supply system inthe hospital is designed to meet the needsof different patient groups.
   医院的新空气供应系统旨在满足不同患者群体的需求。
3. 3. The zoned air supply system ensures that each floorhas its own air conditioning unit.
   分区供气系统确保每个楼层都有自己的空调单元。