论文部分内容阅读
1991年秋田阳县坡洪镇新洞村农民在责任田挖水晶矿时,发现四件大石铲,现介绍如下(图一)。
In 1991 Akita Yang Hung Township, Hong Dong Village farmers dredging crystal mine responsibility field, found four large stone shovel, are as follows (Figure 1).