英语词汇“trench 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	trench duct
释义	trench duct trench duct [′trench ‚dəkt] (civil engineering) A metal-lined trough set into a concrete floor with removable cover plates that are level with the top of the floor; used to house electrical connections. trench duct trench duct A metal trough buried in a concrete floor and having removable cover plates that are level with the top of the floor; used to carry electric conductors.
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