The portion above the ejection port is actually a horizonal flap that snaps to the back.
抛壳口上面的部实际上是一个横式皮瓣扣到后面。
It had the dual feed, with two belts entering from the top of the receiver, and with bottom ejection port.
它的双重饲料，有两个接收器上的安全带从顶部进入，并与底部弹出端口。
Additionally, because the ejection port on the bullpup rifle is very close to the user's face, the user would feel greater sound, blast and smoke effects when spent casings eject.
另外，因为无托步枪退壳口非常接近使用者的面部，当废弹壳跳出时使用者感到非常大的声音、气浪和烟尘。
The influence on the unsymmetrical ejection effect by the adjustment of the left and right gas port diameters is analyzed.
分析左右两侧导气孔直径的调整对非对称弹射效果的影响。
The influence on the unsymmetrical ejection effect by the adjustment of the left and right gas port diameters is analyzed.
分析左右两侧导气孔直径的调整对非对称弹射效果的影响。
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