Neutralization of waste water by white lime at increased pH with mud recirculation; b.
建议采用以下三种方法:废水采用泥浆循环,消石灰中和,提高pH值的处理法;
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於是屎壳郎便爬到那堆肥烂泥上。那儿有三个年轻的屎壳郎小姐,它们在偷偷地笑,因为它们不知道该说些甚么。
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You see many, many layers of rock which after the flood were layers of mud.
你能看到许多许多层的岩石,这些岩石在大洪水之后曾是一层层的泥.
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The girls sloshed happily through the deep mud, their boots sinking with each step.
女孩们欢快地趟过深深的泥浆,每走一步靴子都会陷进去。
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