英语词汇“pilot punch”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	pilot punch
释义	pilot punch pilot punch A machine punch in which the cutting tool is provided with a small central plug which fits into a hole in the material and acts as a guide for punching a larger hole.
随便看	jlahs jlaip jlair jlal jlalc jlap jlarc jlars jlas jlasa jlasc j-laser jlass jlat jlaus j-lay tower jlb jlba jlbc jlbcs jlbl jlbml jlbp jlbr jlc

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