中国在冷兵器时代属于世界超强。元朝不到100年就灭亡了，清朝入关，是乘明朝内乱之机。

来源: 衡山老道于 2025-12-07 14:28:39 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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