基本解釋[土木建筑工程]礦井氣英漢例句雙語例句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.目前國內(nèi)外煤層氣地面開采技術(shù)、井下瓦斯抽放技術(shù)均已成熟，四川煤層氣開發(fā)利用是可行的。mine drainage gas更多例句詞組短語短語mine gas drainage 礦井瓦斯抽放mine gas drainage plant 礦井瓦斯排泄裝置Coal Mine Gas Drainage 煤礦瓦斯抽放mine drainage gas更多詞組專業(yè)釋義土木建筑工程礦井氣