capstan shaft

例句：

1. 1. The machine's capstan shaft isworn out, and it needs tobe replaced.
   这台机器的卡盘轴磨损了，需要更换。
2. 2. The engineer carefullyadjusted the capstan shaft to ensure smoothoperation.
   工程师仔细调整了卡盘轴，以确保运转顺畅。
3. 3. The capstan shaft isa crucial component of the machine'smechanism, and any damage can affect itsperformance.
   卡盘轴是机器机制的关键部件，任何损坏都会影响其性能。