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  • The reduced pressure distillation experiment on the liquid paraffin was done and the Engler distillation curve was obtained.

    进行了石蜡油的减压蒸馏实验，得到了恩氏蒸馏曲线。

    youdao

  • The reduced pressure distillation experiment on the liquid paraffin was done and the Engler distillation curve was obtained.

    进行了石蜡油的减压蒸馏实验，得到了恩氏蒸馏曲线。

    youdao

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