沥青组分分析
group analysis of asphalt
荧光沥青分析
fluorometric bituminological analysis
原油沥青分散性
Crude asphaltene dispersivity
极性四组分
four-polar fraction
petroleum constituent groups
交替分组四点格式
alternating group four points scheme
四组分包芯复合纱
four-component core-spun yarn