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...
There are other forms of civil disorder — most notably, football hooliganism.还有其他形式的民众骚乱，最出名的是足球流氓行为。Inside all was disorder: drawers fallen out, shoes and boots scattered.屋内凌乱不堪：抽屉都掉落出来，鞋靴东一只西一只满地都是。I have a skin disord...