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本文模拟生产工艺条件，测定了稀土金属镝、钬、铒的平均蒸馏速度，探讨了蒸馏温度、保温时间对平均蒸馏速度的影响。
In this paper, the production process conditions were simulated, and the average distillation rate of rare earth metal dysprosium, holmium and erbium was determined. The effects of distillation temperature and holding time on the average distillation rate were discussed.