ус дамжуулах гол хоолой
магистральный водовод
A central piping system with two or more side outlets located at the bottom of a water conditioning system. It's purpose is to both collect product water as well as to distribute backwash water.
Source https://www.aquascience.net/glossary/гол хоолой
коллектор
A central piping system with two or more side outlets located at the bottom of a water conditioning system. It's purpose is to both collect product water as well as to distribute backwash water.
Source https://www.aquascience.net/glossary/