In the following 10 days, they completed the topographic survey of 400 silt sections with a total length of 4,500 km. The workload greatly surpassed the process of a flood.

• 在其后10天内他们还将完成400个淤积断面，4500公里长度的地形测量任务，其工作强度远远超过一次洪水过程。