Composite hollow insulators - Pressurized and unpressurized insulators for use in electrical equipment with rated voltage greater than 1 000 V - Definitions, test methods, acceptance criteria and design recommendations.
复合空心绝缘子.额定电压大于1000V的电气设备用加压和非加压绝缘子.定义 试验方法 验收标准和设计建议