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nickel
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化学元素,元素符号Ni,原子序数28,原子量58.6934(4),属周期系Ⅷ族,过渡元素。
Astronomy
全称:nickel。缩写:Ni
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>无机化学>无机化学基本概念与无机化合物>释义
nickel
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astronautical engineering
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