复蒸馏物

例句：

1. 1. The process of distillation is used to separate different substances into their pure forms.
   蒸馏过程用于将不同物质分离成其纯形式。
2. 2. In the chemical industry, distillation is a crucial step in purifying raw materials.
   在化学工业中，蒸馏是净化原材料的关键步骤。
3. 3. The distillate from the distillation process contains valuable chemicals that can be used for industrial purposes.
   蒸馏过程中得到的馏出物含有有价值的化学物质，可用于工业用途。