liquefied air

基本解釋

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。
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