Silt reduction and exploitation of silt resources are important measures to keep the river channel stable.

黄河口的减沙与水沙资源利用是稳定黄河流路的重要措施。

youdao

Silt reduction and exploitation of silt resources are important measures to keep the river channel stable.

黄河口的减沙与水沙资源利用是稳定黄河流路的重要措施。

youdao