packed distillation column

例句：

1. 1.The packed distillation column was used to separate the different components of the oil.
   填充蒸馏柱被用来分离油的不同成分。
2. 2.The packed distillation column was crucial for the purification process.
   填充蒸馏柱对于净化过程至关重要。
3. 3. The packed distillation column was designed to improve the efficiency of the separation process.
   填充蒸馏柱被设计来提高分离过程的效率。