Einfache Erder im homogenen Erdreich
暂无分享,去创建一个
[1] Orville S. Peters,et al. Ground connections for electrical systems , 1918 .
[2] A. Bolliger. Probleme der Potentialtheorie , 1917 .
暂无分享,去创建一个
[1] Orville S. Peters,et al. Ground connections for electrical systems , 1918 .
[2] A. Bolliger. Probleme der Potentialtheorie , 1917 .