1) воздуховод
2) короб; паз; жёлоб (для трубопроводов и кабелей внутренних сетей)
3) (полупроходной) коммуникационный канал
4) канал для (закладки) напрягаемой арматуры
- accessible duct
- air duct
- branch duct
- cable duct
- distribution duct
- dropped duct
- exhaust duct
- extract duct
- flat-oval duct
- flexible duct
- floor duct
- heating duct
- high velocity duct
- lined duct
- main duct
- main air duct
- nonaccessible service duct
- open floor duct
- outside air intake duct
- perforated air duct
- pipe duct
- recirculation duct
- rectangular duct
- return air duct
- riser duct
- round duct
- satellite duct
- service duct
- sheet metal duct
- siphon duct
- spiral-wound duct
- spur duct
- square duct
- supply duct
- trunk duct
- underfloor duct
- ventilation duct
- warm air duct
- zone duct