青云翻译

The main topics are grid structures; grit chamber, sbr pool, contact pool disinfection.

Issue in the main structures are grid; grit, SBR pools contact disinfection tank.

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

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

Issue in the main structures are grid; grit, SBR pools contact disinfection tank.