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白铜,中国西南地区古代著名的冶金产品。白铜,顾名思意,白色的铜合金是也。白铜的生产最早可追溯到汉晋时
White copper, ancient famous metallurgical products in southwest China. White copper, as the name suggests, the white copper alloy is also. The production of white copper can be traced back to the Han and Jin Dynasties