导读：高压架空线路和发电厂、变电所GB/T 16434—1996环境污区分级及外绝缘选择标准 Enviromental pollution classification and external insulation selection for high voltage transmission line, power plant and substation 国家技术监督局 1996-06-17批准
高压架空线路和发电厂、变电所GB/T 16434—1996环境污区分级及外绝缘选择标准
Enviromental pollution classification and external insulation
