对每升溶液加入20毫克硅藻土助滤剂.Add 20 mg. of diatomaceous earth filter aid per liter of solution.可不断地加入硅藻土.Diatomite may be continuously added.在分包者的仓库中允许使用硅藻土.One could use Diatomite in storage of a Sub - divider....
Did Laurie know something, and hold it over Felicity?劳丽是否知道点什么，并以此要挟费莉西蒂呢？The book is inscribed: To John Arlott from Laurie Lee.书的题赠是：献给约翰·阿洛特——劳丽·李。Laurie revealed she had booked herself a flight home last night.劳丽透露她昨晚...
At the same time that albumin and fetoprotein synthesis is extinguished.同时白蛋白和甲胎蛋白的合成被熄灭.His discovery extinguished the achievements of his colleague.他的发现使他同事的成就黯然失色.Water extinguished the fire.水把火浇灭了.Again there was tha...