IEC 60853-3 Calculation of the cyclic and emergenc
电缆在循环负载和紧急过载条件下的载流量计算 – 第3部分:具有土壤部分干燥特性的所有电压等级电缆的循环载流系数
Calculation of the cyclic and emergency current rating of cables – Part 3: Cyclic rating factor for cables of all voltages, with partial drying of the soil
查看详情 ↗原文资料

