petroleum distillation

例句：

1. 1. Petroleumdistillation is a process used to separate different types of oil from crude oil.
   石油蒸馏是一种用于从原油中分离不同类型油的过程。
2. 2. The distillation tower is essential for the separation of light and heavy hydrocarbons in petroleum processing.
   蒸馏塔对于石油加工中轻和重烃类的分离至关重要。
3. 3. During the distillation process, the heavier components are condensed and collected at the bottom of the column.
   在蒸馏过程中，较重的组分被冷凝并收集在塔柱底部。