insert bearing

例句：

1. 1. The engineer inserted a new bearing into the machine to fix the problem.
   工程师将一个新的轴承插入机器中以解决该问题。
2. 2. The car had a faulty bearing that needed to be replaced.
   这辆车有一个故障的轴承需要更换。
3. 3. The technician carefully inserted the bearing into the gearbox and tightened it with a wrench.
   技术员小心地将轴承插入齿轮箱并用扳手拧紧。