mine drainage gas

基本解釋

The lowest volume fraction of methane in mine drainage gas used as town gas is discussed to fully utilize mine drainage gas.
探討了作為城鎮(zhèn)燃?xì)獾牡V井氣中甲烷的最低體積分?jǐn)?shù)，以便于更充分地利用礦井氣。
Abstr: Proposed to high voltage frequency converter used in the coal mine gas drainage pump system, trying to reduce the gas leaks, pour out the problem.
文章摘要：提出將高壓變頻器用于煤礦瓦斯抽放泵系統(tǒng)中，試圖有效降低瓦斯泄露、涌出的問(wèn)題。
At present, the technique of coal-bed methane surface mine and gas drainage was mature, so it was feasible for coal-bed methane development and utilization in Sichuan Province.
目前國(guó)內(nèi)外煤層氣地面開(kāi)采技術(shù)、井下瓦斯抽放技術(shù)均已成熟，四川煤層氣開(kāi)發(fā)利用是可行的。