rotary swivel

例句：

1. 1. The engineer useda rotary swivel toadjust the angle of the machine.
   工程师使用旋转式万向节来调整机器的角度。
2. 2.The car's steering wheel is equippedwith a rotary swivelfor easy maneuvering.
   汽车的方向盘配备了一个旋转式万向节，便于操控。
3. 3. The construction worker used a rotary swivel to lift heavymaterials from the ground.
   建筑工人使用旋转式万向节将重物从地面抬起。