crude heat exchanger

例句：

1. 1. The crude oilheat exchanger is used to separate the impurities from the crude oil.
   原油热交换器用于从原油中分离杂质。
2. 2.The crude oil heat exchanger is an essential component of the refinery process.
   原油热交换器是炼油厂过程中的一个关键组件。
3. 3. The crude oil heat exchanger is designed to improve the efficiency of the refining process.
   原油热交换器的设计目的是为了提高精炼过程的效率。