炼铜: copper metallurgy转炉: converter炼铜转炉 铜吹炉: copperconverter炼铜转炉炉气: copper converter gas; copper-converter gas铜转炉气: copper-converter gas炼铜: copper metallurgy 中国是世界上炼铜最早的国家。 大约 5,000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 5,000 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转炉: [冶金学] converter◇转炉钢 converter steel; 转炉鼓风箱 converter blast boxe; 转炉练钢 convertor steelmaking铜转气炉: copper-converter gas铜转运疾病: copper transport disease精炼铜: refined copper; refined matte; tough-pitch copper炼铜场: bronze smelter炼铜厂: copper works炼铜炉: co er furnace; co er smelting furnace; copper smelter; copper smelting furnace插树精炼铜: poling tough pitch电解精炼铜: electrolytical refined copper电解勒炼铜: electrolytic toughpitch copper海登炼铜法: hayden process火法精炼铜: fire refined copper精炼铜生产: refined copper production精炼铜阳极: refined anode process炼铜反射炉: copper reverberatory furnace炼铜工业: copper smelting indstry炼铜鼓风炉: copper blast furnace; copper smelting blast furnace炼铜炉渣: copper slag; copper smelter slag; copper-smelting slag闪速炼铜厂: copper flash smelting plant