“two-phase four-wire system”的概念、定义、翻译、参考文献-科学参考

单词	two-phase four-wire system
释义	two-phase four-wire system [`tü ¦fāz `fȯr ¦wīr `sis·tǝm] ^ELECTRICITY System of alternating-current supply comprising two pairs of conductors, between one pair of which is maintained an alternating difference of potential displaced in phase by one- quarter of a period from an alternating difference of potential of the same frequency maintained between the other pair.
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