saturated hydrocarbon短语¹⁴⁴⁹⁷²⁺² 基本例句 饱和烃 The comprehensive analysis of above features showed that there was a strong biodegradation of saturated hydrocarbon fractions in Jurassic coal rock in Manjiaer Depression of Tarim Basin. 通过对这些指标的综合分析，可以推断塔里木盆地满加尔凹陷煤系曾遭受较强烈的生物降解。 cnki