Japan and South Korea have joined forces to secure supplies of a rare metal crucial to high-grade steel production, investing $1.8bn in a Brazilian mining group that is the largest producer of niobium.
為了保障對高級鋼材生產至關重要的稀有金屬鈮的供應,日本與韓國已聯手對巴西最大的鈮生產商投資18億美元。
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