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[国外标准] IEC 60502-1-2021 Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um = 1,2 kV) up to 30 kV (Um = 36 kV)

P:2022-05-20 15:57:03

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Stability Factor - 稳定因数。于规定时间将电线浸入 75℃ 之水中,测定其电位梯度在 80V/mil 与 40V/mil 两者情况下,功率因数百分比之差谓之。 (0) 投诉

P:2022-09-20 12:41:19

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tinned copper covered steel - 镀锡铜包钢 (0) 投诉

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