engine turntable

例句：

1. 1. The engineer was asked to test the new engine turntable.
   工程师被要求测试新的发动机转盘。
2. 2.The technician had to adjust the engine turntable for better performance.
   技术人员必须调整发动机转盘以获得更好的性能。
3. 3. The car's engine turntable is responsible for its smooth operation.
   汽车的发动机转盘负责其平稳运行。