Octoid gear

例句：

1. 1.The new machine has an Octoid gear system that makes it very efficient.
   这台新机器有一个八边形齿轮系统，使其非常高效。
2. 2. The engineer designed the Octoid gear to ensure smooth operation.
   工程师设计了八边形齿轮以确保平稳运行。
3. 3.The Octoid gear is used in many industrial applications to reduce friction and improve efficiency.
   八边形齿轮在许多工业应用中被使用，以减少摩擦并提高效率。