内容主体 content body
The principal commodities shipped in Shandong included cotton, cotton cloth, fresh and dried fruits, hence the main content of transportation in Shandong during the Ming Dynasty by waterway and landway.
这三部分是明代山东水陆物资运输的主体内容。
参考来源 - 明代山东水陆物资运输探析·2,447,543篇论文数据,部分数据来源于NoteExpress
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