一种锁闩，在没有弹簧的作用下，靠转动钥匙或把手使它移动。

A bolt on a lock that is moved by turning the key or knob without activation of a spring.

youdao

一种锁闩，在没有弹簧的作用下，靠转动钥匙或把手使它移动。

A bolt on a lock that is moved by turning the key or knob without activation of a spring.

youdao