英语词汇“expansion joint”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	expansion joint
释义	expansion joint noun 1. : a coupling (as of steam pipes) designed to permit an endwise movement that compensates for expansion or contraction resulting from temperature changes 2. : a joint or gap (as in concrete work) designed to permit expansion or contraction resulting from temperature changes
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