在锁定位置稍作停顿一展示对动作的控制，上臂应该和头部呈正直向上的直线。
Pause momentarily in the lockout to show control, and the upper arm should be in line with the head.
螺旋肋被迫削减和螺栓头部旋转开幕式和闭幕式上的螺栓中风，从而解锁和锁定到接收器。
The helical cuts and ribs forced the bolt head to rotate on opening and closing stroke of the bolt, thus unlocking and locking it to the receiver.
其中，当所述钻头被锁定到所述可调深度限位件上时，所述外壳近端处于距所述可调深度限位件远端的第一轴向距离的位置，所述第一轴向距离与进入所述骨头部分的最大钻孔深度成正比。
The adjustable stop has a drill bit engaging mechanism to selectively lock the adjustable stop the drill bit at a desired location to limit the dept that the drill may penetrate into the bone.
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