英语词汇ring mains的意思、用法及释义-英汉双解词典

单词	ring mains
释义	ring mains main electrical circuit in a house, etc, off which branch supplies are taken （房子等配电线路的）环形主线.
随便看	RSC RSM RSPB RSPCA RSV RSVP Rt Hon Rt Rev RU rub rubber rubber band rubber goods rubberize rubber-neck rubber plant rubber-stamp rubber stamp rubbery rubbing rubbish rubbishy rubble rubella Rubicon

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