locking switch

例句：

1. 1. The car has a locking switch on the dashboard to prevent the doors from opening unexpectedly.
   汽车的仪表盘上有锁紧开关，以防止车门意外打开。
2. 2. The new security system uses a locking switch to ensure that only authorized personnel can access the building.
   新的安全系统使用了锁紧开关，以确保只有授权人员才能进入大楼。
3. 3. The engineer tested the locking switch and found it to be reliable and easy to use.
   工程师测试了锁紧开关，发现它可靠且易于使用。