multicomponent fractionating

例句：

1. 1.The process of multicomponent fractionating is crucial for the purification of oil.
   多组分分馏过程对于石油的提纯至关重要。
2. 2. In the multicomponent fractionating process, different components are separated based on their boiling points.
   在多组分分馏过程中，根据它们的沸点将不同的成分分离开来。
3. 3. The multicomponent fractionating method has been widely used in the petroleum industry for decades.
   多组分分馏方法在石油工业中被广泛使用几十年了。