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关于 National Rail
National Rail (NR) is the trading name licensed for use by the Rail Delivery Group, a group representing passenger train operating companies (TOCs) of England, Scotland, and Wales.
来源：维基百科National Rail (NR) is the trading name licensed for use by the Rail Delivery Group, a group representing passenger train operating companies (TOCs) of England, Scotland, and Wales.
来源：维基百科
