double universal joint

例句：

1. 1. The car's suspension system uses a double universal joint to connect the wheels.
   汽车的悬挂系统使用一个双万向节来连接车轮。
2. 2.The engineer designed the machine with a double universal joint for smooth operation.
   工程师设计的机器有一个双万向节，以实现平滑操作。
3. 3.The construction worker used a double universal joint to replace the old one in the bridge.
   建筑工人用一个双万向节来替换旧桥上的旧部件。