tip shaft

例句：

1. 1. The engineer carefully measured thelength of the tip shaft before cutting it.
   工程师仔细测量了尖端轴的长度后才开始切割。
2. 2. The new model car has asleek and stylish tip shaft design.
   新款汽车拥有光滑且时尚的尖端轴设计。
3. 3.The scientist used a laser to cut thetip shaft of the drill.
   科学家使用激光来切割钻头尖端轴。