英语词汇“upper punch”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	upper punch
释义	upper punch upper punch [′əp·ər ‚pənch] (metallurgy) In powder metallurgy, the member of the die assembly that moves downward into the die body to transmit pressure to the metal powder in the cavity.
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