multi-facet drill
基本解释
- [能源科学技术]群钻
专业释义
- 群钻
The new type Chinese multi-facet drill(CMFD) developed from the common twist drill by rationally regrinding in order to solve problems existing with the twist drill has an excellent performance when cutting.
群钻是针对普通麻花钻所存在的问题,进行合理修磨而创制的新钻型,其切削性能非常优异。