这个小镇的水务系统需要紧急维修以防止供水中断。

The town's ___water-works need urgent repairs to prevent water supply disruptions.

我们参观了城市边缘的大型自来水厂。

We visited the large ___water-works at the edge of the city.

市政府正在升级城市的供水系统以提高水质。

The city government is upgrading the ___water-works to improve water quality.