弹簧锁

tánhuángsuǒ

Spring lock; a lock with springs inside that enable it to unlock itself automatically.

* * *

snap lock; spring lock

* * *

deadlatch; snap lock; spring lock; springlock

* * *

tan2 huang2 suo3

spring lock

* * *

彈簧鎖|弹簧锁 [tán huáng suǒ] ► spring lock