afterdamp是什么意思？

afterdamp

英['ɑ:ftədæmp] 美['ɑftəˌdæmp]

• n. 爆发后的毒气，余留的毒气，烧尽，灾后气体；

英英词典释义

• Noun
  1. a toxic mixture of gases (including carbon dioxide and carbon monoxide and nitrogen) after an explosion of firedamp in a mine