duplex bearing

例句：

1. 1. The new design of the car features a duplex bearing system.
   这款新车采用了双联轴承系统。
2. 2.The construction machine uses a duplex bearing to reduce friction.
   这种建筑机械使用双联轴承来减少摩擦。
3. 3. The engineer carefully examined the duplex bearing to ensure its proper functioning.
   工程师仔细检查了双联轴承，以确保其正常工作。