fire damp

 
       
  • n. 沼氣(甲烷)
new

fire damp的英文翻譯是什么意思,詞典釋義與在線(xiàn)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
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan