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Efficient separations of platinum metals from each other are quite difficult and complicated.
铂族元素的相互分离相当困难和复杂。
youdao
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Platinum and gold are precious metals.
铂和黄金是贵重金属。
youdao
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Gold, silver and platinum are precious metals.
金、银、白金是贵金属。
youdao
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Gold, silver and platinum are precious metals.
金、银、白金是贵金属。
youdao