Acid - washed, flux - calcinated diatomaceous earth is often used.通常使用酸洗的, 通量煅烧硅藻土.Diatomaceous earths are the skeletal remains of the tiny aquatic plants deposited centuries ago.硅藻土是百年前水生植物沉淀下来的遗骸.Add 20 mg. of diatomac...
...a walk along the ramparts of the Old City.沿着老城的城墙漫步A number of staircases ascend from the cobbled streets onto the ramparts.一段石阶从鹅卵石路上一直向上直通城墙。Blocks of flats have been holed and some shells have fallen within the his...
Objective : To study the choice principle of innocuity and nutrition shampoo material dosage and collocate way.目的: 研究无毒营养洗发液原料的选择以及配制方法.Comparing with traditional flocculant the secondary pollution wasand the biofloccula...
她自从得了相思病而益发憔悴.She has pined away since she got lovesickness.相思病无药医.No herb will cure lovesickness.晴天霹雳引起的相思病,也只有一种疗法了, 嗯, 加洛你看 呢 ? ”There's only one cure for the thunderbolt, eh, Calo? "...