The area with better subsoil quality has started filling construction; the filling of the third bid section is heightened, and the wet soil is mainly piled to dry;
The area with better subsostation quality has begun to fill the soil, and the three standard sections fill the soil and raise it, mainly stacking wet soil to dry;
The filling construction has started in the area with good bottom soil quality; the filling of the third bid section is heightened, and the wet soil is mainly piled up for drying;<br>