battery supply coil

例句：

1. 1. The new car has a battery supply coil that can last for up to 500 miles on a single charge.
   这款新车有一个电池供应线圈，一次充电可以行驶500英里以上。
2. 2. The old car's battery supply coil was worn out and needed to be replaced.
   旧车的电池供应线圈磨损了，需要更换。
3. 3. The engineer used the battery supply coil to power the robot's motors.
   工程师使用电池供应线圈为机器人的电机供电。