... copper foil-clad laminated sheet 敷铜薄层压板 copper furnace 炼铜炉 copper gas welding rod 铜气焊条 ...
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着重阐述了旋涡炉顶吹炼铜工艺技术特点，并与白银炉工艺指标进行对比。
The Chatacteristics of Contop Smelting Process for cyclone furnace is discussed and make a comparison with silver furnace.
贵冶炼铜转炉寿命最高炉龄为242炉，平均炉龄维持在220炉左右。
In Guixi Smelter, the highest furnace life of copper converter is 242 heats and the average life is remained about 220 heats.
并对炼铜、炼镍、炼铅炉关键部位所用镁铬材料，炼料、铝电解槽各部位所用材料进行了阐述与介绍。
The magnesite-chrome refractories used in the critical parts of copper, nickel and lead making furnaces, and refractories used in various parts of aluminium reduction cell are described as well.
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