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n.煙道( flue的名詞復(fù)數(shù) )...

flues的音標(biāo)：...

Heat was obtained from decomposing manures and hot air flues.靠肥料分解和煙道為植物提供熱量.Remove sediment from heaters, flues and motors before using them.在使用暖氣, 煙道,和馬達(dá)之前,應(yīng)清理沉積物.Cut openings in sheets for outlets, vent pipes, flues, ...