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本文讨论了在大口径榴弹的金属弹带后面加塑料闭气环的作用原理,及其对提高弹丸强度和火炮寿命,提高弹丸射击密集度的作用效果;并用实验作了验证。
This paper discusses the action principle of plastic closed air ring behind the metal band of a large-caliber grenade and its effect on improving projectile strength and artillery longevity and projectile firing density. Experiments were also carried out to verify the effect.