[endoscopic]locking knob
actuator locking device
attachment locking device
automatic locking device
differential locking -device
disc brake shaft locking device
external locking device
generator locking device
hydraulic locking device
implement locking device
internal locking device
locking device
锁紧装置
闭锁装置
卡锁装置
锁紧机构
锁紧
锁定装置
保险设备
锁闭装置
关锁装置
闭锁体
锁止装置