downtake flue
1downtake — ˈ ̷ ̷ˌtāk noun Etymology: down (II) + take (as in intake) : a pipe, duct, or flue (as for air, gas, or water) that leads downward * * * /down tayk /, n. a pipe or passage for conducting smoke, a current of air, or the like downward from a furnace …
2нисходящий газоход — — [А.С.Гольдберг. Англо русский энергетический словарь. 2006 г.] Тематики энергетика в целом EN down passdownflow fluedowntake flue …