英语词汇“mechanical core”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	mechanical core
释义	mechanical core mechanical core Prefabricated piping for plumbing and/or heating, prefabricated ductwork, and/or prefabricated electric wiring, ready for field installation with a minimum amount of labor at the site.
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