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...
Add 20 mg. of diatomaceous earth filter aid per liter of solution.对每升溶液加入20毫克硅藻土助滤剂.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 t...
Marriage, however, is an emotional seesaw.然而婚姻是一块感情跷跷板。Prices have gone up and down like a seesaw this year.今年的价格像跷跷板一样时涨时跌.Then the lead went seesaw between the two runners.接着两名赛跑运动员就拉锯似地交替领先....
挂坠初最是一种功利物品专门服务于垂饰或套索钉的.Netsuke were originally utilitarian objects designed to serve as Pendants or toggles.采购产品垂饰, 枕头, 壁挂, 表亚军, 钟.Tassels and Trimmings, Pillows, Wall Hangings, Table Runners, Bell.采购产品栽培花木配件, 吹出的玻璃装饰, ...