英语词汇“pole-changer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pole-changer
释义	Definition of pole-changer in English: pole-changer noun A switch or key for reversing the direction of an electric current by reversing the polarity of the voltage source. Origin Mid 19th century. Definition of pole-changer in US English: pole-changer noun A switch or key for reversing the direction of an electric current by reversing the polarity of the voltage source. Origin Mid 19th century.
随便看	autonoetic autonomasia autonomic autonomical autonomically autonomically autonomic nervous system autonomies autonomisation autonomise autonomism autonomist autonomist autonomistic autonomists autonomization autonomize autonomous autonomous autonomously autonomously autonomy autonym auto-off auto-offs

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Definition of pole-changer in English: