卡塔尔世界杯官方

技术文档

技术文档




FEB

What is power cable?

Data: 11 Feb, 2014

Medium and high-voltage power cables, in circuits over 2000 volts, will have a shield layer of copper or aluminum tape or conducting polymer. If an unshielded ins🍸ulated cable is in contact with earth


FEB

卡塔尔世界杯官方:What is Electrical cables?

Data: 11 Feb, 2014

Electrical cables may be made more flex♈ible by stranding the wires. In this process, smaller individual wires are twisted or braided together to produce larger wires th🦂at are more flexible than solid



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