This paper mainly discusses the exploitation of the coppite in the middle reaches area of Yangtze River in Shang dynasty.

该文主要讨论商代长江中游地区铜矿的开发问题。

youdao

This paper mainly discusses the exploitation of the coppite in the middle reaches area of Yangtze River in Shang dynasty.

该文主要讨论商代长江中游地区铜矿的开发问题。

youdao