safety lock

常见例句

It also features a hidden clasp with a safety lock for security.
而且它还有一个隐藏的安全锁来确保安全。
Machine parked WaJi's top after, pull up safety lock shaft to lock position.
机器停放在挖机平板车上面之后，拉起安全锁定杆到锁定位置。
Fit the rig tongs with the correct jaws for the drill pipe tool joint or the drill collar. Re-install the safety lock springs.
给大钳装上与钻杆接头或钻铤相匹配的钳头，再装上安全锁簧。
blog.sina.com.cn

The Brazilian government says its new laws mandating frontal air bags and anti-lock brakes will dramatically improve safety, as will new impact standards.
NPR: AP IMPACT: Cars Made In Brazil Are Deadly
The latter is a terrible reality to contemplate, but much worse would be a truly dystopian society in which allegedly noble government figures would lock up potentially unhinged people with our safety in mind.
FORBES: Thoughts On Guns and Gun Control From Someone Who Doesn't Own One