Compared with the AC insulators, the contamination deposited on DC insulators is more and the external insulation design of DC transmission lines is more difficult.
与交流相比,直流输电线路绝缘子积污更为严重,外绝缘设计更加困难。
参考来源 - 超、特高压直流输电线路用典型绝缘子污闪特性研究Research on managing the third party of exterior wall external insulation for buildings, the main role of the third party is assistance.
外墙外保温第三方管理研究,第三方的主要作用在于协动。
参考来源 - 建筑外墙外保温节能管理研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Fire rating depends on its external insulation layer fire rating.
其防火等级取决于外部保温层的防火等级。
This difference is one of the key question in the design of the external insulation.
这种差异一直是电力系统外绝缘设计的关键问题之一。
Especially the external insulation and fire safety of high-rise buildings are highly valued.
特别是高层建筑的外保温防火安全性问题引起人们高度重视。
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