There are no perfect insulators.
没有完全的绝缘体。
It is going to be electrical insulators.
它必须是电子的绝缘体。
Electrical insulators of any material.
各种材料制的绝缘子。
Sapphire is one of the best insulators.
蓝宝石是最好的绝缘材料之一。
One of the insulators was gone, turned to powder.
其中的绝缘子是消失了，变成粉末。
And in other cases, they behave more nearly as insulators.
在别的情况下，它们更像绝缘体。
Many ceramics are good electrical and thermal insulators.
许多陶瓷都是电和热的良绝缘体。
The upper and lower insulators are equipped with touch seat.
下绝缘子上均装有触座。
And a panel encasing a vacuum is one of the best insulators known.
真空板是目前已知绝缘材料中最好的。
It is very difficult to measure the passing current in insulators.
在绝缘体中测定通过的电流是很困难的。
Electrical insulators include rubber, plastic, porcelain, and mica.
电绝缘体包括了橡胶、塑料、陶瓷和云母。
But for the crystal to do its job, those elements must also be electrical insulators.
但是，要用晶体来完成任务的话，那些成分就必须也是电子绝缘体。
On the ceiling one may see ceramic insulators. Interesting, what this room was for.
天花板上有陶制的绝缘体。真有趣，不知这个房间有何用途。
Insulators in reality conduct electricity but, nevertheless, their resistance is very high.
绝缘体实际上也导电，但其电阻很高。
Most metals are good conductors of electricity, while paper, air and glass are good insulators.
绝大多数金属都是电的良导体，而纸张、空气、玻璃则是良好的绝缘体。
Most metals are good conductors of electricity, while paper, air and glass are good insulators.
绝大多数金属都是电的良导体，而纸张、空气、玻璃则是良好的绝缘体。
应用推荐