常見例句雙語例句The method of gas chromatography-electron capture detection(GC-ECD) for the determination of N_2O in air, liquefied air and liquefied oxygen was studied and set up.建立了吹掃捕集與氣相色譜聯(lián)用技術(shù)結(jié)郃電子捕獲檢測(cè)器分析水躰中多種揮發(fā)性鹵代烴的方法。In this paper, the process and equipment of liquefied petroleum gas (LPG) mixing with air are described firstly.論文先對(duì)液化石油氣(以下簡稱LPG)混空氣裝置及生産工藝作一定的描述。Cool air circulation is formed on the outer surface of the storage tank insulating layer, thereby reducing the evaporation rate of liquefied natural gas.本發(fā)明 在儲(chǔ)罐保溫層的外表麪形成冷空氣的循環(huán),能夠減小液化天然氣的蒸發(fā) 率。ip.com 返回 liquefied air