In order to lighten weight, the bullet body is made of plastic materials; the bullet body is covered by a cage-shaped metal circular cylinder.
为减轻重量，弹体为塑料材料，弹体外罩有笼状金属圆筒。
In order to lighten weight, the bullet body is made of plastic materials; the bullet body is covered by a cage-shaped metal circular cylinder.
为减轻重量，弹体为塑料材料，弹体外罩有笼状金属圆筒。
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