hava boşluğu, aydınlık

listen to the pronunciation of hava boşluğu, aydınlık
Türkçe - İngilizce
air shaft
a vertical (or near vertical) shaft that supplies ventilation to a tunnel or other underground facility
air duct; hole that allows air to pass in and out; blowhole
A passage, usually vertical, for admitting fresh air into a mine or a tunnel
hava boşluğu, aydınlık