亚洲国产精品视频中文字幕,毛片亚洲AV无码精品国产午夜,亚洲国产精品色婷婷,国产综合日韩精品第16页

單詞乎

firedamp

音標['fai?d?mp]
firedamp是什么意思、firedamp怎么讀

firedamp漢語翻譯

n. 甲烷, 沼氣
【化】 沼氣; 瓦斯; 密封防火墻(采礦)
【醫(yī)】 沼氣, 甲烷

firedamp英語解釋

名詞 firedamp:

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

firedamp詳細解釋

fire.damp

n.(名詞)
A combustible gas, chiefly methane, occurring naturally in mines from the decomposition of coal.
沼氣:一種在礦坑里由煤腐爛而自然產生的可燃氣體,主要成分是甲烷
The explosive mixture of firedamp and air.
甲烷和空氣的爆炸混合物

0
糾錯