The simulation results show that the cold extrusion process can greatly save copper materials and reduce production cost.

模拟结果表明，所提出的冷挤压工艺可以极大地节省铜材料，降低生产成本。

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The features, process, major properties as well as relatives to applications of the vacuum tungsten copper materials are presented.

本文介绍了真空钨铜材料的特点、制取工艺及主要性能，并讨论了与应用有关的问题。

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Suitable for welding of copper materials, for example copper and tin bronzes , especially used for joining of copper zinc alloys and steels.

适用于铜材的焊接，例如铜和锡铜合金，尤其是用于铜锌合金和钢的连接焊。

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Raw materials plays like copper, iron ore, even coal are suspect unless commodity quotes hold at currently extended levels.

FORBES: Savvy Investors Survive Fed's Remorseless Abuse

If emerging markets recover next year, the gutsy play is in raw materials, namely copper, iron ore and coal.

FORBES: Venezia, Still My Favorite Leading Indicator

As China has become more industrialized, it has become Australia's biggest trading partner and buyer of its commodities, including raw materials such as copper and iron ore.

WSJ: New Zealand, China in Talks on Convertibility of Currencies