亚洲AV成人精品一区二区三区四区|快播日韩美嘛豆一区|国产欧美激情a级免费|一级黄片AAA色一品|久久国产成人精品Av|谁有AV免费观看|成人高清国产视频|日韩区欧美区久久综合一区|在线观看黄色网页|亚洲欧美国产11

單詞乎

firedamp

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

firedamp漢語(yǔ)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(yǔ)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(xì)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(chǎn)生的可燃?xì)怏w,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(cuò)