“Iron Cannons of the Hongwu Reign,Ming Dynasty”的概念、定义、翻译、参考文献-科学参考

单词	Iron Cannons of the Hongwu Reign,Ming Dynasty
释义	Iron Cannons of the Hongwu Reign,Ming Dynasty Encyclopedia 历史学中国古代科技文物释 Iron Cannons of the Hongwu Reign,Ming Dynasty明洪武铁炮中国明代洪武十年（1377）制前装式铸铁炮。
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