rotating centre

例句：

1. 1. The machine's rotating center is located at the bottom of the gearbox.
   这台机器的旋转中心位于变速箱底部。
2. 2.The satellite's rotating center was precisely aligned with the ground station's antenna.
   卫星的旋转中心与地面站天线精确对齐。
3. 3. The car's rotating center is responsible for transmitting power to the wheels.
   汽车的旋转中心负责将动力传输到车轮。