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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
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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