主页 > 产品类别 > 电信设备 > Insulators & accessories

Insulators & accessories

Of or referring to material of which electric charges do not flow freely. Therefore, it does not produce electric current in the presence of an electric field. Such materials are glass, paper, and plastics.

绝缘体及配件的贡献者

Insulators & accessories

精选词汇表

The history of coffee

类别: 历史   2 5 词条

Worlds Best Athletes

类别: 体育   1 1 词条