For many years Eskom has followed international guidelines in selecting transmission and distribution insulator products for use in polluted environments.

中文翻译：

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电力公司对户外绝缘子自然老化和污染性能的看法


多年来，Eskom 一直遵循国际准则来选择用于污染环境的输电和配电绝缘子产品。