permeability of vacuum
[海运英汉词典]
permeability of vacuum真空导磁率
是什么意思,permeability of vacuum的解释,permeability of vacuum的翻译
[物理学英汉词典] permeability of vacuum
permeability of vacuum
[海运英汉词典]
permeability of vacuum是什么意思,permeability of vacuum的解释,permeability of vacuum的翻译
[物理学英汉词典] permeability of vacuum