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单词 roll bar
释义

WordReference Random House Unabridged Dictionary of American English © 2024
roll bar′, 
  1. Automotivea heavy steel transverse bar in the form of an invertedUrising from the framework of an automobile to prevent its occupants from being crushed if the vehicle rolls over.
Also, rollbar′. 
  • 1950–55

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更新时间:2025/7/23 19:42:04