| 释义 |
roll bar
roll barn. A sturdy metal bar over the top of a car or other wheeled vehicle to prevent or reduce injury in case of a rollover.roll′ bar`
n. a steel bar arching over an automobile from side to side, designed to protect the passengers if the vehicle rolls over. [1950–55] roll barProtective metal bar that arches over the driver in an open cockpit.Translations
roll bar
roll bar[′rōl ‚bär] (design engineering) A metal bar installed overhead on a roofless automotive vehicle in order to protect the occupants if the car rolls over. |