When the hydrodynamic strength weakens, the suspended sediments will sink again. As the hydrodynamic strength increases next time, the sediments will continue to float to complete the release of heavy metals again.
When the hydrodynamic strength decreases, the suspended sediment sinks again, and as the next hydrodynamic strength increases, the sediment will continue to float and once again complete the release of heavy metals.
When the hydrodynamic strength decreases, the suspended sediment will sink again. With the increase of hydrodynamic strength, the sediment will continue to float and complete the release of heavy metals again.<br>