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....
The doctor was killed in crossfire as he went to help the wounded.那位医生去救助伤员时在交叉火力中丧生。When two industrial giants clash, small companies can get caught in the crossfire.两大工业企业争斗之下, 小公司遭受池鱼之殃.The child was standing in the m...
He fell back into the water, his breath rasping in his heaving chest...他仰面跌进了水中，胸部起伏，呼吸急促。He fell back into the water, his breath rasping in his heaving chest.他仰面跌进了水中，胸部起伏，呼吸急促。He pulled the cloth and it came away with ...