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通过试验数据与按照IEC以及国标提出的海拔校正方法计算得出的数据进行比较,对电力机车车顶高压电气外绝缘的试验电压进行了海拔修正。
The test data is compared with the data calculated according to IEC and the national standard for altitude correction, and the altitude of the test voltage of the outer insulation of electric locomotive roof is corrected.