单词backdraught
n.: 倒灌风；（给火焰供氧过多引起的）回火爆炸
网络: 倒转；逆通风；逆转
（烟囱、管道等的）倒烟，倒灌风:
a current of air that flows backwards down a chimney , pipe, etc.
（给火焰供氧过多引起的）回火爆炸:
an explosion caused by more oxygen being supplied to a fire, for example by a door being opened
逆通风
Backdraught Problems of Duct Furnace for Heating in Multi-storeyed Houses
烟道式燃气采暖炉用于楼房建筑时的倒灌风问题
Measures to Prevent Backdraught in Exhaust System of Residential Gas Appliances
住宅用燃具排烟系统防止烟气倒灌的措施