bearing annular seal

例句：

1. 1.The bearing annular seal is a critical component of the machine's operation.
   轴承环密封是机器运行的关键部件。
2. 2.The engineer carefully inspected the bearing annular seal to ensure its proper functioning.
   工程师仔细检查了轴承环密封，以确保其正常工作。
3. 3. The manufacturer replaced the bearing annular seal due to wear and tear.
   由于磨损，制造商更换了轴承环密封。