因此，绝缘子既要有良好的电气性能，又要有足够的机械强度。

Therefore, the insulator should have both good electrical properties and sufficient mechanical strength.

youdao

因此，绝缘子既要有良好的电气性能，又要有足够的机械强度。

Therefore, the insulator should have both good electrical properties and sufficient mechanical strength.

youdao