speed-varying-ellipse high-frequency voltage
...ion of high-frequency voltage stress 考虑高频电压负载 speed-varying-ellipse high-frequency voltage 速応楕円形高调波电圧 high-frequency mid-voltage standard apparatus 高频中电压标准仪 ..
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speed-varying-ellipse high-frequency voltage
变速椭圆高频电压
以上为机器翻译结果，长、整句建议使用 人工翻译 。