ygs67 发表于 2016-3-2 15:08:40

ASTM D924-08

ASTM D924-08 Standard Test Method for Dissipation Factor (or Power Factor) and Relative Permittivity (Dielectric Constant) of Electrical Insulating Liquids

admin 发表于 2016-3-2 16:12:54

谢谢您的分享，金币已奖励！

jack1016 发表于 2021-6-22 18:57:42

感谢楼主热心分享学习~
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