AC auxiliary transmission的用法和样例：
- Application of invertor-controlled AC auxiliary transmission technology to CKD_(8D) and CKD_9 locomotives
- The transmission system has been set up not only main transmission but also auxiliary transmission device to guarantee that can still make the kiln body rotated slowly when the final drive power is cut off and prevent kiln body out of shape.
- auxiliary transmission structure
- A 4-speed automatic transmission is optional.