They fall into two main categories: thi o surfactacts and non-thio surfactants for the flota-tion of sulfide and oxide minerals respectively.
它们分
表面活性剂和不表面活性剂,分别用于
矿和非矿的浮选。
They fall into two main categories: thi o surfactacts and non-thio surfactants for the flota-tion of sulfide and oxide minerals respectively.
它们分表面活性剂和不表面活性剂,分别用于矿和非矿的浮选。
声明：以上例句、词性分类
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