节点：中游（冶炼、中间品）位置：中游情绪：中性参考度：2/10


美国已将铜和银纳入一份扩大后的关键矿产清单。这些矿产对于美国经济与国家安全意义重大。

由美国地质调查局编制的新清单，相较2022年版本新增10项，总数达60项。其他新增值得关注的内容有：铀、冶金煤、钾盐、铼、硅和铅。铜和银的加入印证了美国地质调查局之前提供的草案清单内容。

美国地质调查局称，运用自行开发的经济模型编制该清单，此模型旨在评估矿产商品国际贸易中断可能带来的影响。
该评估涉及84种矿产商品、402个行业以及超1200种情景。美...

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