青云翻译

The main structures are designed grille; grit chamber, sbr pool, contact pool disinfection.

Main structures are in the design grid, and grit, SBR pools contact disinfection tank.

In the design main construction has the grill; Sand collector, SBR pond, contact disinfection pond.

The main structure in design with a grating; spigot SBR pools, pool, contact disinfectant pool.

Main structures are in the design grid, and grit, SBR pools contact disinfection tank.