Sanitary zone of water source的用法和样例：
例句
- It is understood that the Beijing Haidian Wanliu water areas are protected areas and the tuyere.
据了解，海淀万柳地区是北京市水源保护区和上风口。 - At the same time, the local rules and regulations will be strictly observed to control the business and tourist activities in the protection zone.
同时，严格执行地方法规，严格管理水源保护区内的各种生产经营活动和旅游活动。
