Engler curve
... englacial 冰川内的 Engler curye 恩氏蒸馏曲线 Engler degree 恩氏粘度单位 ...
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进行了石蜡油的减压蒸馏实验，得到了恩氏蒸馏曲线。
The reduced pressure distillation experiment on the liquid paraffin was done and the Engler distillation curve was obtained.
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