pentylene

例句：

1. 1.The petroleum industry relies heavily on the production of pentene.
   石油工业严重依赖戊烯的生产。
2. 2. The pentene is a key component in the manufacturing process.
   戊烯是生产过程中的关键成分。
3. 3. The pentene is used as a solvent and a plasticizer.
   戊烯用作溶剂和增塑剂。