英语词汇“portal frame”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	portal frame
释义	portal frame portal frame n (Building) civil engineering building trades a frame, usually of steel, consisting of two uprights and a cross beam at the top: the simplest structural unit in a framed building or a doorway portal frame portal frame portal Same as portal, 2. AcronymsSeePF
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