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求翻译lime addition followed by sedimentation followed by filtr

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求翻译lime addition followed by sedimentation followed by filtration,不太理解这句话的意思
求翻译lime addition followed by sedimentation followed by filtr
先加入石灰,然后让其沉淀,最后过滤.
这种结构:A followed by B followed by C ,意思就是,先A,再B,最后是C
应该学过一个句子:The teacher came into our classroom followed by the boy.你可以想象的出,是老师先进教室,那个男孩跟在TA后面.
希望可以加深理解,下次遇到这种类型不会混淆顺序.