有优良的电气性能和稳定的化学性能，因此绝缘材料不老化，电性能不下降，使用寿命大于30年。

So this insulation material has the properties of anti-aging and less power reduction and the service life of the material is over 30 years.

youdao

有优良的电气性能和稳定的化学性能，因此绝缘材料不老化，电性能不下降，使用寿命大于30年。

So this insulation material has the properties of anti-aging and less power reduction and the service life of the material is over 30 years.

youdao