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iron sulphide ore例句_iron sulphide ore英汉例句_iron sulphide ore双解例句_开心英文字典_柠咚词
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iron sulphide ore

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常见例句

    双语例句

  • In this dissertation the technology and fundamentals of pressure leaching of high iron-zinc sulphide concentrate and polymetallic sulphide ore are studied systematically.
    本论文对高铁硫化锌精矿及多金属复杂硫化矿的加压浸出工艺和理论进行了系统研究。
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