选择陶瓷是因为它暴露在气象条件中时的抗老化能力、绝缘强度大以及雨中的清洗保洁能力。
Porcelain is chosen because of its resistance to deterioration when exposed to the weather, its high dielectric, and its ability to wash clean in rain.
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.
XLPE绝缘比PVC绝缘具有绝缘强度高，抗老化，耐化学腐蚀及防水性能等优点。
XLPE insulation strength the PVC insulation to be higher than the anti-aging bears merits and so on chemistry corrosion and waterproof performance.
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