automatic slide lock gear

例句：

1. 1. The automaticslide lock gear is designed to prevent thedoor from opening accidentally.
   自动滑动锁定装置设计用来防止门意外打开。
2. 2. The automatic slidelock gear ensures that the door remains closedeven when someone is standing near it.
   自动滑动锁定装置确保即使有人站在旁边，门也能保持关闭状态。
3. 3. The automatic slidelock gear was installed in the new elevatorto improve safety and efficiency.
   在新的电梯中安装了自动滑动锁定装置，以提高安全性和效率。