给出了电磁锁的结构，该锁克服了普通电磁锁没有双向功能的缺点，并可自带电源。
The magnetic lock structure was given, the lock overcame the disadvantage of normal magnetic lock without dual functionality, it is own powered.
转膛体作间歇的转停运动，在其停留位置上，为了实现准确可靠的定位，设置有双向卡锁装置。
In its pausing position, a locker device is set symmetrically to precisely and credibly locate the proper position of the revolver.
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