定心钻是什么意思-定心钻的词语解释-相关组词-词语-近音词-同音词 - 掌上跨屏通词语词典

题目

更新时间：2024-10-20 14:42:12

求解答，词语定心钻是什么意思？再说说定心钻有什么含义？

答案

定心钻的百科含义

定心钻的钻尖顶角应等于或大于最终钻孔的微钻顶角。若定心钻的顶角较小，则随后微钻切入时，两切削刃比顶尖先接触工件，容易引起崩刃。

定心钻的词语组词

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定心钻的相关词语

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