central switchboardの例文

例文

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1. A hub acts like the central switchboard linking computers in a network.
2. All classrooms were connected by telephone to a central switchboard at the front office.
3. The software lets them exchange MP3 music files without passing through any sort of central switchboard.
4. The ring was using special radio scanners to listen in on communications between cellular telephones and central switchboards.
5. An operator at a central switchboard plugs lines into one of 420 round openings, working from memory as to what person belongs to what hole.