用气相色谱-质谱法分析液化石油气和液化天然气中的硫化合物含量
용기상색보-질보법분석액화석유기화액화천연기중적류화합물함량
Determination of Sulfur Compound in Liquefied Petroleum Gas and Liquefied Natural Gas by Gas Chromatographic-mass Spectrometric Method