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...
Here the Nile broadens out between the huge granite boulders.尼罗河在此处变宽，从两块花岗岩巨石间穿过。"Well," I said, grinding my cigarette nervously into the granite step.“好吧，”我边说边紧张不安地把香烟在花岗岩台阶上捻灭。The towers are made of steel cased in gra...
Jack would have nothing to do with such capers.杰克不愿扯上这种荒唐的事。House prices are easily upset by factors which have nothing to do with property.房价很容易受到与房产毫不相干的因素的干扰。House prices are easily upset by factors which have nothing...
Drake and his cohorts were not pleased with my appointment.德雷克那一帮人对我的任命很不满。I brought in one drake and three ducks.我弄来一只公鸭和三只母鸭。Plymouth Hoe is renowned as the site where Drake played bowls before tackling the Spanish Arm...