| 字词 | 炼铜 |
| 释义 | •¶ 中国是世界上炼铜最早的国家。 大约 5000年以前， 中国劳动人民就发明了炼铜技术。 在商朝(公元前16世纪至前11世纪)时， 炼铜技术， 特别是青铜器的冶炼与铸造， 已经达到很高的技术水平 。 China was the first country in the world to smelt bronze. Bronze-smelting technology was developed by the ancient Chinese working people approximately 5000 years ago. As far back as in the Shang Dynasty (16th century B.C.—11th century B.C.), the technology of bronze-smelting — particularly that of smelting and casting bronze ware — reached a very high level. 炼铜厂copper works |
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