英语词汇“extension rule”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	extension rule
释义	WordReference Random House Unabridged Dictionary of American English © 2024 exten′sion rule′, Buildinga folding rule having a sliding part equal in length to one section so as to permit exact measurement of internal dimensions.
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