Insulator

(noun.) a material such as glass or porcelain with negligible electrical or thermal conductivity.

录入:温德尔

• The wire is usually covered with silk, cotton, gutta percha or some other insulator, to prevent the current from leaping across, and compel it to travel through the whole length of the wire. 佚名. 神奇的知识之书.
• Substances which, like an air gap, interfere with the flow of electricity are called non-conductors, or, more commonly, insulators. 伯莎M.克拉克. 科学通论.
• In 1883 no such fittings as fixture insulators were known. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The little glass-knob insulators made seductive targets for ignorant sportsmen. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The farthest western reach of the telegraph lines in 1847 was Pittsburg, with three-ply iron wire mounted on square glass insulators with a little wooden pentroof for protection. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The insulators were bottles set on nails driven into trees and short poles. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.

编辑:史蒂夫