爱国者战线在政治上一直无足轻重。The Patriotic Front has been a political irrelevance.各条生产战线捷报频传.Reports of fresh successes roll in from all fronts of production.全国各条战线纷纷报喜.Reports of success on all fronts came in quick succession....
采用半连续乳液聚合的方法合成聚醋酸乙烯乳液.Polyvinyl acetate emulsion was synthesized by semi - continuous emulsion polymerization method.最终描绘出了阴离子分散聚合的粒子形成过程.In the end, the particle formation process was pictured.乳液聚合的主要组分为单体 、 水 、 引发剂等.Th...