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报废的炮管要如何处理？ - 知乎
source link: https://www.zhihu.com/question/333892304/answer/745873664
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首先是一艘主力舰（铁甲舰，前无畏，无畏，战列舰——总之“重炮主力舰”）从服役到退役总共需要发射的弹…
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