vandalism protection lock 防暴装置锁

lock-and-key protection system 锁和密钥保护系统 ; 锁与键保护系统 ; 锁和密钥保护

Rotor Lock Protection 转子制动保护

Motor Shaft Lock Protection 堵转保护

lock-and-key protection 锁与键保护

PC-Lock Protection by Fingerprint 指纹控锁计算机功能

lock-key protection 锁钥保护法

dog lock protection 锁簧联锁保护法

Password protection and keyboard lock 键盘锁密码保护