public water supply

例句：

1. 1. The cityhas a well-established public water supply system to ensure the availability of clean drinking water for its residents.
   该城市拥有一个完善的公共供水系统，以确保其居民能够获得清洁的饮用水。
2. 2. The construction of this new public water supply network will greatly improve the efficiency and accessibility of water services in the area.
   这一新的公共供水网络的建设将大大提高该地区水服务的效率和可及性。
3. 3. The government is committed to improving the quality of public water supplies and ensuring that all citizens have access to safe drinkingwater.
   政府致力于提高公共供水的质量，并确保所有公民都能获得安全的饮用水。