drowned weir,submerged weir /TECH,BUILDING/
[DE] eingetauchtes Wehr; untergetauchtes Wehr
[EN] drowned weir; submerged weir
[FR] déversoir noyé
drowned weir,submerged weir
[DE] eingetauchtes Wehr; untergetauchtes Wehr
[EN] drowned weir; submerged weir
[FR] déversoir noyé