en alçak görülebilir düzey

listen to the pronunciation of en alçak görülebilir düzey
Türkçe - İngilizce
invert level
(Mühendislik) In civil engineering, the invert level is the base interior level of a pipe, trench or tunnel; it can be considered the "floor" level. Conversely, the crown level is the highest interior level, and can be considered the "roof" level