交流高压架空送电线对短波无线电测向台(站)和收信台(站)保护间距的计算规程(附条文说明)
交流高压架空送电线对短波无线电测向台(站)和收信台(站)保护间距的计算规程(附条文说明)
The calcuating method od protecting distance for AC high voltage overhead power transmission lines to shortwave radio direction finding stations and receiving strtions