parallel roll profile

例句：

1. 1. The new car has a parallel roll profile that provides excellent fuel efficiency.
   这款新车拥有平行滚柱式轮廓，燃油效率极佳。
2. 2. The engineer designed the machine with a parallel roll profile to reduce friction and improve performance.
   工程师设计这台机器时采用了平行滚柱式轮廓，以减少摩擦并提高性能。
3. 3.The manufacturer claims that their product has a parallel roll profile that is more durable than its competitors.
   制造商声称他们的产品具有平行滚柱式轮廓，比竞争对手的产品更耐用。