芳烃馏分 meaning in Chinese

aromatic fraction

Standard test method for aromatic types analysis of gas - oil aromatic fractions by high ionizing voltage mass spectrometry
高电离电压质谱法分析气体油芳烃馏分中芳烃类型的标准试验方法
Standard test method for separation of representative aromatics and nonaromatics fractions of high - boiling oils by elution chromatography
洗脱色谱法分离高沸点油的典型芳烃和非芳烃馏分的标准试验方法