The water level in the Lanzhou section of the Yellow River has fallen back,Large-scale dredging was begun in the main u
10/Nov/2018
On October 26th, the water level in the Lanzhou section of the Yellow River has fallen back, and many departments such as the sanitation department in the Chengguan District of Lanzhou City, Gansu Province carried out large-scale dredging of the river. The purpose is to dredge the rivers. It was deployed silt curtains and used dredger.