drill lip clearance

例句：

1. 1.The drill lip clearance is critical for the proper functioning of the drill.
   钻头间隙对于钻头的正确运行至关重要。
2. 2.The manufacturer should ensure that the drill lip clearance meets the industry standards.
   制造商应该确保钻头间隙符合行业标准。
3. 3. Due to the tight drill lip clearance, it was difficult for the operator to adjust the drill depth.
   由于钻头间隙过小，操作员难以调整钻孔深度。