举例说，橡胶用来使电线绝缘。

For instance, rubber was used to insulate electrical wires.

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人们发现橡胶是一种用于绝缘光缆的理想材料。

Rubber is found a good material for the insulation of cable.

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人们发现，橡胶是一种用于电缆绝缘的理想材料。

Rubber is found a good material for the insulation of cable.

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我们可用橡胶使带电的电线绝缘。

We can insulate a live wire with rubber.

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人们发现，橡胶是一种良好的绝缘材料。

Rubber is found to be a good isolating material.

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这种绝缘手套是由天然橡胶制成的。

These insulating gloves are made of natural rubber.

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人们发现橡胶是一种良好的绝缘材料。

Rubber is found a good insulating material.

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电绝缘体包括了橡胶、塑料、陶瓷和云母。

Electrical insulators include rubber, plastic, porcelain, and mica.

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橡胶是一种良好的绝缘材料。

Rubber is found to be a good insulating material.

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橡胶是一种良好的绝缘材料。

Rubber is found to be a good insulating material.

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