It can not only be of direct switching function, but self-locking switching function.
它既可以具有直接的切换功能，也可以具有自锁切换功能。
II-type movements, a self-locking devices (lock marketing), the need to manually reset after switching off can be re-used.
型动作后有自锁装置(锁定销)，需要手动拉出复位后开关才能重新使用。
II-type movements, a self-locking devices (lock marketing), the need to manually reset after switching off can be re-used.
型动作后有自锁装置(锁定销)，需要手动拉出复位后开关才能重新使用。
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