water supply for canal

例句：

1. 1.The construction of the new canal will greatly improve the water supply for the city.
   新运河的建设将大大改善城市的供水。
2. 2.The canal water supply is crucial for the survival of the local fish population.
   运河的供水对当地鱼类的生存至关重要。
3. 3.The government has been working on improving the water supply for the canal.
   政府一直在努力改进运河的供水系统。