在绝缘材料的性能降低时受天气等外界因素如空气湿度大，接连阴天霉雨季节，潮湿环境等使得带电金属部位与绝缘材料产生象水纹样电弧沿着外皮爬的现象。
爬电距离 creepage distance ; Creepage ; creep distance
统一爬电比距 USCD ; unified specific creepage distance
爬电比距 specific creepage distance ; creepage ratio distance
会爬电线杆的狗狗 Dog Climbing a Telephone Pole
最小公称爬电距离 min nominal creepage distance ; Insulating distance Li
爬电表面 creepage surface
空间及爬电距离 Creepage and Clearance
爬电电流 creepage current
最小爬电距离 minimum creep distance
不同型式染污绝缘子沿爬电距离的闪络电压梯度；
The voltage gradient of five types of polluted insulators according to the leakage distance.
爬电距离是安全试验和国内外水平测试的重要项目。
Creepage distance is an important test item of safety test and international proficiency test.
这种双伞绝缘子的优点是改善绝缘子的耐污秽性能，增加爬电距离。
The double-umbrella insulator has the advantages of improving the pollution-resistance performance of the insulator and increasing the creepage distance.
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