ариутгах татуургын нэгдсэн/хосолмол систем
combined sewer system
общая водоканализационная система
A sewer system that carries both sewage and rain water runoff.
Source https://www.lenntech.com/water-glossary.htmЗураг
combined sewer system
общая водоканализационная система
A sewer system that carries both sewage and rain water runoff.
Source https://www.lenntech.com/water-glossary.htm