vapor extraction device

例句：

1. 1.The vapor extraction device is used to remove impurities from the oil.
   蒸汽提取装置用于从油中去除杂质。
2. 2.The vapor extraction device is essential for the purification of crude oil.
   蒸汽提取装置是原油提纯过程中必不可少的。
3. 3. The vapor extraction device was developed to improve the efficiency of oil refining.
   蒸汽提取装置的研制是为了提高石油精炼的效率。