气坑形成于1950年代苏维埃时期的一次燃气爆炸事故，并从那时起一直燃烧至今。
The crater resulted after a Soviet natural gas exploration accident in the 1950s and has been burning ever since.
电视画面显示，还在缓慢燃烧的坠机坑附近布满了面目全非的残骸，有一大片机翼躺在农田里。
Television footage showed a smouldering crater strewn with mangled wreckage, with a large piece of wing lying in farmland.
主坑的作用是用作柴火燃烧的容器。
This part of the Dakota fire hole will serve as the main chamber that contains the fire.
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