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The mineral nature and material particulars of Qiqihar black clay and floated kaolin are described.
介绍了齐齐哈尔黑粘土和淘洗高岭土的矿物类型、原料特性。
youdao
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The mineral nature and material particulars of Qiqihar black clay and floated kaolin are described.
介绍了齐齐哈尔黑粘土和淘洗高岭土的矿物类型、原料特性。
youdao