rotary resin fractionator

例句：

1. 1. The rotary resin fractionator is used to separate different types of resins based on their molecular weight.
   旋转树脂分馏塔用于根据分子量分离不同类型的树脂。
2. 2. The rotary resin fractionator is crucial for the purification of petroleum products.
   旋转树脂分馏塔对于石油产品的提纯至关重要。
3. 3. The rotary resin fractionator plays a vital role in the production of high-quality plastics.
   旋转树脂分馏塔在生产高质量塑料中起着关键作用。