The safety belt is easy to fit as there's no need to bolt it to seat belt anchorage points.
这种安全带很容易安装，因为不需要把它拴在安全带固定点上。
Original PM 12 / Model 12 submachine guns featured separate manual safety and fire mode selector, both being made in the form of the cross-bolt buttons.
原件日下午12 / 12型冲锋枪功能的单独的手动安全和消防模式选择，无论是在形式的跨螺栓按钮了。
Safety bolt is set on the valve body, when the pressure in the cylinder is too high, safety diaphragm will burst automatically to ensure the safety accident cases, for the safety of the bottle.
瓶阀体上设安全螺栓，当气瓶内压力过高时，安全膜片将自动爆破泄压以确保意外情况下瓶的安全。
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