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.Its petrology , petrochemistry and geochemistry feature show the intrusive is p...
There are also many elves.还有这么多小精灵.You think Santa makes them his little elves?你以为是圣诞老人把他们变成他的小精灵 吗 ?You know how all elves are forced to sing and dance?知道精灵们是怎样被逼迫的又唱又跳?Elves share a passionate and emotional nature with...
His bank wrongly bounced cheques worth £75,000.他的开户银行错误地拒付了票面金额为75,000英镑的支票。She was wrongly accused of stealing.她误遭控告犯偷盗罪。The court excluded the confession wrongly obtained by the police.法院排除了警方通过不正当方法获得的供词作为证据....