top gas recovery

例句：

1. 1. The process of top gas recovery is crucial for the efficient operation of the refinery.
   顶部气体回收过程对于炼油厂的高效运行至关重要。
2. 2. The company has implemented a new system to improve gas top recovery efficiency.
   该公司已经实施了一个新的系统来提高气体顶部回收效率。
3. 3. During the extraction process, the gas top recovery system helps to recover valuable gases from the crude oil.
   在提取过程中，气体顶部回收系统有助于从原油中回收有价值的气体。