常见例句双语例句This paper was aimed at preparing the micro-size mono-disperse PS particles and mono-size crosslinked polystyrene microspheres (CPS) by dispersion polymerization.本课题通过选择合理的分散聚合体系，制备出单分散微米级非交联和交联的聚苯乙烯微球。 返回 CPPS