Name: 西方普遍采用铜制子弹，为何我国偏偏用钢？难道我们钱不够吗？
Uploaded: 2025-02-10T09:33:00.000Z
Duration: 5 min 29 s
Description: 西方普遍采用铜制子弹，为何我国偏偏用钢？难道我们钱不够吗？

西方普遍采用铜制子弹，为何我国偏偏用钢？难道我们钱不够吗？

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西方普遍采用铜制子弹，为何我国偏偏用钢？难道我们钱不够吗？

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