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工学
[低熔点合金]
释
tin
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化学元素,元素符号Sn,原子序数50,原子量118.710,属周期系ⅣA族。
理学
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tin
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化学元素,元素符号Sn,原子序数50,原子量118.71,属周期系ⅣA族。
Astronomy
全称:tin。缩写:Sn
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Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
tin
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