漢朝鐵是戰略物資，施行嚴格的專賣製度，鐵礦數量68處。估計鐵產量500萬斤。全國鐵打5萬盔甲？那武器農具鍋呢？

來源: 老生常談12 於 2024-12-23 18:51:41 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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