sanitary engineering

例句：

1. 1. The new hospital is designed to improve the sanitary conditions in the area.
   这座新医院的设计旨在改善该地区的卫生条件。
2. 2. The engineers are responsible for designing and implementing sanitary engineering projects.
   工程师们负责设计和实施卫生工程项目。
3. 3. The city government has launched a campaign to promote sanitary engineering practices.
   市政府发起了一场活动，推广卫生工程实践。