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After over two thousand years of the initial appearance of primitive copper alloys and around four hundred years of experimenting with various alloys in various areas with trial and error and sometimes loss of technology, the Central Plains region finally began the composite mould casting experiments.

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Core Regions and Their Influences

  • 章节

  • 发表日期：

    2025年

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  • Hong Xu

摘要

After over two thousand years of the initial appearance of primitive copper alloys and around four hundred years of experimenting with various alloys in various areas with trial and error and sometimes loss of technology, the Central Plains region finally began the composite mould casting experiments.