floating zone refining

例句：

1. 1. The floating zone process is a method used in oil refining to separate impurities from crude oil.
   浮区法是石油精炼中用于从原油中分离杂质的方法。
2. 2. The floating zone refinery is a type of refinery that uses the floating zone process to produce refined oil.
   浮区炼油厂是一种使用浮区法生产成品油的炼油厂类型。
3. 3. In the floating zone process, crude oil is treated with chemicals to remove impurities and then sent through a series of heat exchangers to increase its purity.
   在浮区法中，原油经过与化学物质的处理以去除杂质，然后通过一系列热交换器来提高其纯度。