铸铁很脆易裂,就靠这些碎片杀伤呢
炮弹头是铸铁的,不是钢。铸成空心的装药,外面加工成型
本帖于 2019-08-18 20:21:20 时间, 由版主 500miles 编辑
铸铁很脆易裂,就靠这些碎片杀伤呢
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