river channelization

例句：

1. 1. The government has initiated a river channelization project to improve water quality.
   政府已经启动了一个河流改道项目，以改善水质。
2. 2. The construction of the new bridge willsignificantly reduce traffic congestion in theriver channelization area.
   新桥梁的建设将显著减少河流改道区域的交通拥堵。
3. 3. Theriver channelization project aims to divertthe flow of the river, preventing floodingduring high tides.
   河流改道工程旨在改变河流流向，防止涨潮时发生洪水。