DANSK DS/EN 61325:1995
标称电压大于 1000V 的架空线路绝缘子 直流系统用陶瓷或玻璃绝缘子单元 定义、试验方法和验收标准
Insulators for overhead lines with a nominal voltage greater than 1 000 V - Ceramic or glass insulator units for d.c. systems - Definitions, tests methods and acceptance criteria