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reducing impurity造句

"reducing impurity"是什么意思   

例句與造句

  1. research on technology in flotation of meishan pyrite reducing impurities of mgo
    梅山硫鐵礦浮選中降鎂除雜工藝
  2. application : mainly used as catalyst for poly-condensation of polyester . improved poly-condensation time especially in continuous processes . significantly reduced impurity levels in pet resin
    用途:主要用作聚酯縮聚催化劑,比三氧化二銻易溶于乙二醇中,具有活性高,不易堵塞管道,縮聚時間短,能提高聚酯產品的質量等特點。
  3. It's difficult to find reducing impurity in a sentence. 用reducing impurity造句挺難的

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