water conduit
водовод
Ус дөхүүлэх буюу зайлуулахад ашигладаг яндан хоолой, гидротехникийн байгууламж
Эх сурвалж: Монгол улсын стандарт: Усны нөөц, ус ашиглалт, хамгаалалт 2016 албан хэвлэлconduit
водовод
A closed channel to convey water through, around, or under a dam.
Source Guidelines on Instrumentation on Large dams by Central Water Commission Ministry of Water Resources, River Development & Ganga Rejuvenation Government of India, June 2017, p.71culvert
водовод
Closed structure that is used as a channel for surface drainage water under a highway, railroad, canal or other structure.
Source EcoLexicon