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释义
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工学
[低熔点合金]
释
lead
铅
化学元素,元素符号Pb,原子序数82,原子量207.2,属周期系ⅣA族。
理学
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释
lead
铅
化学元素,元素符号Pb,原子序数82,原子量207.2,属周期系ⅣA族。原子量最大的非放射元素。
Astronomy
全称:lead。缩写:Pb
铅
Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
lead
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