Sanitary zone of water source的用法和樣例：
例句
- It is understood that the Beijing Haidian Wanliu water areas are protected areas and the tuyere.
據了解，海淀萬柳地區是北京市水源保護區和上風口。 - At the same time, the local rules and regulations will be strictly observed to control the business and tourist activities in the protection zone.
同時，嚴格執行地方法規，嚴格管理水源保護區內的各種生產經營活動和旅遊活動。
