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
硫表面活性剂和不硫表面活性剂,别用于硫
矿和非硫矿的浮选。
They fall into two main categories: thi o surfactacts and non-thio surfactants for the flota-tion of sulfide and oxide minerals respectively.
它们硫表面活性剂和不硫表面活性剂,别用于硫矿和非硫矿的浮选。
声明：以上例句、词性
类均
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