An alternative embodiment enables the guide fence to also index with the swing arms, thereby increasing the structural stability of the swing arms when they are positioned as stops.
另一种体现，使指南栅栏还与摆动指数武器，从而增加时，他们的定位为停止武器的摆动结构稳定性。
An alternative embodiment enables the guide fence to also index with the swing arms, thereby increasing the structural stability of the swing arms when they are positioned as stops.
另一种体现，使指南栅栏还与摆动指数武器，从而增加时，他们的定位为停止武器的摆动结构稳定性。
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