Croatia refuses to transport Russian oil to Hungary
Ema Sabljak,England Data Unitand
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当前紧张局面集中在钇、钪等稀土家族中的“小众元素”上，这些元素在国防技术、航天工业及半导体制造中虽用量极小，却起着难以替代的关键作用，而其生产几乎完全依赖中国。
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"Some say that the United States were discovered by a Welshman, Madoc, way, way before Columbus," he said.