taper shank twist drill

例句：

1. 1. The carpenter useda tapered shank twist drill tomake the holes perfectly round.
   木匠使用锥形钻头制作出完美的圆形孔洞。
2. 2.The engineer designed the taper shanktwist drill to fit seamlessly into themachine.
   工程师设计了锥形钻头，使其能完美地与机器配合。
3. 3. Theconstruction crew used the tapered shanktwist drill to quickly cut through the concrete.
   建筑工人使用锥形钻头快速切割混凝土。