计算了绝缘子在轻污秽度下污秽绝缘强度受气压影响的海拔修正系数。
The altitude revision factors influenced by pressure on pollution insulating strength of insulators were calculated under light pollution degree.
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.
结果表明，棒形悬式瓷绝缘子重量轻，抗老化性能好，耐污性能较好，拉伸强度高，不可击穿，使用维护简便。
The results show that the long rod insulator features light weight, better anti-ageing performance, better anti-pollution behaviour, high tensile strength, puncture-proof and easy maintenance.
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