英语词汇“walking beam”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	walking beam
释义	WordReference Random House Unabridged Dictionary of American English © 2024 walk′ing beam′, [Mach.] Mechanical Engineeringan overhead oscillating lever, pivoted at the middle, for transmitting force from a vertical connecting rod below one end to a vertical connecting rod, pump rod, etc., below the other end. 1835–45, American.
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