英语词汇“center drill”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	center drill
释义	center drill center drill [′sen·tər ‚dril] (engineering) A two-fluted tool consisting of a twist drill with a 60° countersink; used to drill countersink center holes in a workpiece to be mounted between centers for turning or grinding.
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