英语词汇“expansion opening”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 opening
释义	expansion opening expansion opening [ik′span·shən‚ōp·ə·niŋ] (engineering) A chamber in line with a pipe or tunnel and of larger diameter than the conduit containing liquid or gas, to allow lowering of pressure within the conduit by expansion of the fluid.
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