The copper smelting industry is under growing pressure as plants around the world struggle to compete with the scores of newer factories in China offering cheap production of the red metal.
铜冶炼行业正面临着越来越大的压力,因为世界各地的工厂都难以与manbetx3.0 数十家提供廉价铜生产的新工厂竞争。
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