英语词汇“column casing”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	column casing
释义	column casing column casing Any form of enclosure of a steel column which provides a prescribed fire rating, e.g., a boxed enclosure fabricated of a fire-rated material, such as gypsum board; also see caged beam.
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