backward field torque

例句：

1. 1.The machine's backward field torque is causing the gears to slip.
   这台机器的反向场扭矩导致齿轮打滑。
2. 2. The engineer used a special tool to reduce the backward field torque.
   工程师使用了一种特殊工具来减少反向场扭矩。
3. 3. The design of the motor was optimized to minimize the backward field torque.
   电机的设计被优化以最小化反向场扭矩。