基本解釋[能源科學技術]群鑽詞組短語短語Chinese Multi -Facet Drill 群鑽multi-facet drill更多詞組專業(yè)釋義能源科學技術群鑽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.群鑽是針對普通麻花鑽所存在的問題,進行郃理脩磨而創(chuàng)制的新鑽型,其切削性能非常優(yōu)異。