分馏法

例句：

1. 1. The process of fractional distillation is crucial for the purification of oil.
   分馏过程对于石油的提纯至关重要。
2. 2. In the field of organic chemistry, fractional distillation is used to separate complex mixtures into their constituents.
   在有机化学领域，分馏被用来将复杂的混合物分离成它们的组成部分。
3. 3. The distillation column was designed to efficiently separate the different components in the crude oil.
   蒸馏塔被设计来有效地从原油中分离不同的组分。