destraction英dɪst'rækʃn美dɪst'rækʃnBNC²³⁶²¹³⁺¹ 基本例句 机高压分离法 The distribution of composition for Shanjiasi and Shengli paving asphalts was investigated by supercritical fluid DestractionSCFD and constituent analysis. 本文叙述了采用超临界流体精密分离和四组分分离方法对单家寺、胜利两种典型道路沥青的族组成分布的考察。 cnki