全球每年钪产量仅为几十吨，但它在燃料电池、特种铝合金以及先进芯片工艺和封装环节中承担关键角色。
At the moment each hand sells for $12,000 (£8,800), but "we will be making it more affordable in the future," says Pan.
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Цены на нефть взлетели до максимума за полгода17:55
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