您要查找的是不是：
- secondary copper loss 次级铜耗
- Top-Blown Oxygen Converter's Autogenous Smelting of Secondary Copper Concentrate. 氧气顶吹自热炉吃吹练二次铜精矿
- Handling of anode slime produced from primary copper concentrate and secondary copper concentrate in Jinchuan Group Co. 论金川集团有限公司原生铜精矿及二次铜精矿所产阳极泥处理工艺。
- The Research of Bioleaching Low Grade Secondary Copper Sulphide Ore 低品位次生硫化铜矿的细菌浸出研究
- The Status Quo and its Future of China Secondary Copper Industry 中国再生铜工业现状及发展趋势
- Some examination-methods of transformers'iron loss and copper loss 变压器铁损和铜损的几种测定方法
- Study on Reduction of Copper Loss in Slag from Electric Furnace 降低电炉渣含铜研究
- Design and Innovation of Airtight Blast furnace of Secondary Copper Concentrate 二次铜精矿密闭鼓风炉的设计及创新
- Research of On-line Testing Method for Transformers Iron Loss and Copper Loss 变压器铁耗及铜耗在线测试方法研究
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色？
- Her age is of secondary interest. 她的年龄不太重要。
- Copper and gold are both metals. 铜和金都是金属。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色？
- In secondary school, children get more advanced knowledge. 在中学，孩子获得更深一些的知识。
- A copper coin formerly used in India and Pakistan. 安那旧时在印度和巴基斯坦使用的铜币
- Ornamental copper pans hung on the wall. 墙上挂着装饰性的铜盘。
- A secondary matter; a side issue. 次要的第二位的事; 较次要的问题
- This mountain road leads to the copper mine. 这条山路通向那个铜矿。
