It is that the Chinese tradition kiln carburizing the example burning acieration handicraft, is also human being history of culture important component.

它是中国传统窑内熏烧渗碳工艺的典范，也是人类文化史的重要组成部分。

youdao

It is that the Chinese tradition kiln carburizing the example burning acieration handicraft, is also human being history of culture important component.

它是中国传统窑内熏烧渗碳工艺的典范，也是人类文化史的重要组成部分。

youdao