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我国古代的冶铁技术始于春秋末年,到了汉代已经具有相当高的冶铁水平,在世界上处于领先地位。全国已经发现两汉时期冶铁遗址
China’s ancient iron smelting technology began in the late spring and autumn, to the Han Dynasty has a very high iron smelting level, in the world in a leading position. The country has found that the Western and Eastern Han Dynasty smelting sites