fitted bearing

例句：

1. 1.The machine needs a new fitted bearing to be repaired.
   这台机器需要更换新的装配轴承才能修理。
2. 2. The engineer carefully fitted the bearings in the gearbox.
   工程师仔细地将轴承安装在齿轮箱中。
3. 3. The technician replaced the worn-out fitted bearing with a new one.
   技术员用一个新的装配轴承替换了磨损的轴承。