flue gas explosion

例句：

1. 1. Thefactory had a dust explosion last week, and the workers were injured.
   上周工厂发生了一次粉尘爆炸，工人们受伤了。
2. 2.The flue gas fire was so intense that it caused the building to collapse.
   烟道气火灾非常猛烈，导致建筑物倒塌。
3. 3. In a flue gas fire explosion, the flames shoot out from the chimney and can be deadly.
   在烟道气火灾爆炸中，火焰从烟囱喷出，可能是致命的。