英语词汇“roll bar”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	roll bar
释义	WordReference Random House Unabridged Dictionary of American English © 2024 roll′ bar′, 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, roll′bar′.` 1950–55
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