fire damp

 
       
  • n. 沼氣(甲烷)
new

fire damp的英文翻譯是什麼意思,詞典釋義與在線翻譯:

英英釋義

名詞 firedamp:
  1. a mixture of gases (mostly methane) that form in coal mines and become explosive when mixed with air

今日熱詞
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