The process of Cu - Ag contact wire with adding rare - earth elements was presented.
介绍了稀土银铜合金导线的生产工艺,重点介绍了稀土的添加方法和分析了稀土的作用.
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The copper clad steel contact wire used for high - speed railway of trains is developing in China.
铜包钢接触线属于 高速 铁路建设急需的产品,该产品的制造在中国尚属起步阶段.
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