road-rail vehicle

名词 n.

英文释义

名词 n.
  1. A vehicle that can be driven along roads to a place where retractable railway wheels can be lowered onto railway track to allow it to be used on the railway, often used for maintenance and construction purposes.
    — The importance of track workers obeying site rules has been stressed after a man was hospitalised after being hit by a moving road-rail vehicle (RRV) and falling into the 'four foot' between the rails.

词形变化

road-rail vehicles plural
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