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词汇 ring main
释义

ring main

noun
/ˈrɪŋ meɪn/
/ˈrɪŋ meɪn/
(specialist)
  1. an arrangement of cables that allows electricity to be supplied to a series of places from either of two directions(电路的)环形干线
  2. (also ring circuit)
    (specialist) an arrangement of wires that supply electricity to several different places in a room or building(电路的)环形干线
  3. an arrangement of connected pipes that allows water, steam, etc. to enter and leave a system(管路的)环形主线
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