This occurs at the weak cannelure, which is a groove allowing the bullet casing to be sealed to the copper jacket.
这发生在脆弱的子弹槽线上,而子弹槽线是一个深沟来将弹壳密封到铜套里面。
This occurs at the weak cannelure, which is a groove allowing the bullet casing to be sealed to the copper jacket.
这发生在脆弱的子弹槽线上,而子弹槽线是一个深沟来将弹壳密封到铜套里面。
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