Granite as raw material, PSA is made in a series of aggregate reactions of chemical fusibility.选用花岗闪长岩为原料, 通过一系列的化学熔融聚合反应制成新型絮凝剂———聚硅酸铁铝盐絮凝剂.Newcastle went out of the competition, losing 2-1 on aggregate.纽卡斯尔队以1比2的总比分被淘汰...
Newcastle went out of the competition, losing 2-1 on aggregate.纽卡斯尔队以1比2的总比分被淘汰出局。United won 5-3 on aggregate.联队以总比分5比3胜出。The football team had a low goal aggregate last season.这支足球队上个赛季的进球总数很少....