river dredging

• 河道疏浚

river dredging的用法和样例：

例句

1. We must undertake the dredging operation of the channel immediately.
   我们必须马上开始河道疏浚工程。
2. The result of analysis shows that the implementation of the dredging project is of high ecological and social benefits.
   分析结果表明，实施塔里木河下游河道疏浚工程具有良好的生态效益和社会效益。