flare stack burner

例句：

1. 1. The flarestack burner is used to produce abright light.
   火焰堆燃烧器用于产生明亮的光线。
2. 2. The engineer designed the flare stack burner to improve efficiency.
   工程师设计了火焰堆燃烧器以提高效率。
3. 3. The flarestack burner was usedin the construction of the newhospital.
   火焰堆燃烧器在新医院的建设中使用。