短语词组短语air outlet flue 排气道;排气管air regenerator flue 空气蓄热室烟道air and flue gas 风烟air cooled flue damper 风冷烟闸air -flue gas mixture 翻译air inlet flue [动力]进气道air r flue 通风道air and flue system 风烟系统 返回 air flue