three-phase alternating current supply
three-phase alternating current supply 三相交流电源 current, three-phase alternating 三相交流电 three phase alternating current motor 三相交流电动机; 三相交流电机 .
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three-phase alternating current supply
三相交流电源
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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This paper introduces a kind of electric circuit which mainly consists of a peak detector and a pulse-width discriminator for protecting the three-phase alternating-current supply with loses a phase.
介绍了一个主要由峰值检波器和脉冲宽度鉴别器构成的三相交流电源缺相保护电路。
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