drinking water sanitary standard

例句：

1. 1.The city has strict drinking water sanitary standards to ensure public health.
   该市有严格的饮用水卫生标准，以确保公众健康。
2. 2. The government is working on improving the drinking water sanitary standards.
   政府正在努力提高饮用水卫生标准。
3. 3. The new regulations will significantly improve the drinking water sanitary standards in the area.
   新的法规将显著提高该地区的饮用水卫生标准。