Edison was not the first person to have thought of using electricity for illumination: cumbersome electric arc-lighting had been employed in public Spaces and factories for a number of years.
爱迪生不是第一个想到用电照明的人；许多年来，笨重的电弧灯就在公共区域和工厂投入使用。
Either of two rods through which current flows to form an arc, as in lighting or welding.
碳精棒两根棒的任一根，电流流经该棒形成电弧，如在闪电或焊接时。
The mechanism of chopped wave overvoltage of transformers caused by insulator arc-over chopped wave after lighting stroke terminal tower is analysis emphasize.
针对截波产生的原因，重点分析了雷击变电站终端杆塔使绝缘子闪络产生截波，并引起变压器截波过电压的机理。
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