snap-ring internal

例句：

1. 1. The new car has a snap-ring internal that makes it easy to open the trunk.
   这款新车有一个内部弹簧，使得打开行李箱变得很容易。
2. 2. The engineer found an internal mechanism that could be used to repair the faulty part.
   工程师发现了一个内部机制，可以用来修复故障部分。
3. 3.The company's internal system is designed to improve efficiency and reduce errors.
   公司的内部系统旨在提高效率和减少错误。