英语词汇“relief 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	relief frame
释义	relief frame relief frame [ri′lēf ‚frām] (mechanical engineering) A frame placed between the slide valve of a steam engine and the steam chest cover; reduces pressure on the valve and thereby reduces friction.
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