ус гаргуур (боомтын биед)
culvert
водовыпуск
underground connection for water of limited size
Source http://www.kennisbank-waterbouw.nl/Glossary/printUK.php?subject=@Зураг
culvert
водовыпуск
underground connection for water of limited size
Source http://www.kennisbank-waterbouw.nl/Glossary/printUK.php?subject=@