极性四组分
four-polar fraction
petroleum constituent groups
交替分组四点格式
alternating group four points scheme
沥青四组分
Four components of bitumen
四组分包芯复合纱
four-component core-spun yarn
四组分高能体系
Energetic Systems with Four Components
四组分混纺织物
four-component blended fabric
四组分纳米结构复合电极
Four component nano structure complex electrode