culvert
глубинный водосброс
underground connection for water of limited size
Source http://www.kennisbank-waterbouw.nl/Glossary/printUK.php?subject=@bottom water outlet
глубинный водосброс
Усны гүнд байрласан (ёроол дахь) тусгай цонхнуудаар хаялгын ус гаргадаг байгууламж.
Эх сурвалж: Н.Чагнаа "Усны аж ахуйн нэр томьёоны тайлбар толь" УБ., 2006, х.101An opening at a low level from a reservoir used for emptying or for scouring sediment and sometimes for irrigation releases.
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.74