大家在查：六齐平绣手绣官府手工业石栗渗炭收时拌种施肥技术武冠

冶金史

冶金史

...metallurgy)的研究范畴，而非严格意义上的冶金史(history of metallurgy)研究]，不能否认，这种实证性的研究方法曾为国内冶 …

Maneychina ... 《能源材料》 Energy Materials 《冶金史》 Historical Metallurgy 《成象学期刊》 The Imaging Science Journal ...

The reason is that the man-made iron and iron farm implements were quite rare then , which could not be regarded as "inferior metal " .