zone-transport refiner

例句：

1. 1. The zone-transport refiner is a crucial tool for the production process.
   区域运输精炼器是生产过程中至关重要的工具。
2. 2. The refiner has been designed to improve the quality of the oil.
   精炼器被设计来提高油的质量。
3. 3. The refiner is used to remove impurities from the crude oil before it is refined.
   精炼器用于从原油中去除杂质，以便进行精炼。