vertical locking spring

例句：

1. 1.The vertical locking spring prevents the door from opening when it's not locked.
   垂直锁定弹簧防止门在未锁时打开。
2. 2.The engineer used a vertical locking spring to secure the heavy machinery.
   工程师使用一个垂直锁定弹簧来固定重型机械。
3. 3. The vertical locking spring is designed to provide extra security for the vehicle.
   垂直锁定弹簧设计用来为车辆提供额外的安全。