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...
The council is considering whether to approve of the use of firearms.政务委员会正在考虑是否要批准动用武器。Firearms are not freely available on the open market.武器不能在公开市场上自由出售.He is wanted for robbery and firearms offences.他因涉嫌抢劫和涉枪犯罪而遭通缉....
The restaurant is licensed, offering draught beers, wines, spirits and soft drinks.这家餐馆有酒类经营执照，提供扎啤、葡萄酒、烈性酒和汽水。The kids seem to be guzzling soft drinks all day.孩子们似乎整天都在猛喝汽水。They are only allowed to sell soft drinks at s...