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pinnoite

英['pɪnəwaɪt] 美['pɪnəwaɪt]
  • 柱硼镁石

双语例句

    1. According to the characteristics of pinnoite in Dachaidan, a new technology of preparing boric acid with two-step sulfuric acid method was studied.
      摘要针对大柴旦柱硼镁石矿特点,对酸法制硼酸进行了工艺优化研究。

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