英语词汇“underfloor electrical duct”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	underfloor electrical duct
释义	Underfloor electrical duct Underfloor electrical duct A raceway consisting of a sheet-metal enclosure within a floor; usually a slab-on-grade, with provisions for access through their finished floor.
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Underfloor electrical duct