coil measurement

例句：

1. 1. The engineer used a special tool to measure the exact size of the windings.
   工程师使用一种特殊工具来测量绕组的确切尺寸。
2. 2. In this case, the coil measurement is crucial for ensuring the proper functioning of the machine.
   在这种情况下，绕组测量对于确保机器正确运行至关重要。
3. 3. The coil measurement is an important factor in determining the efficiency of the motor.
   绕组测量是决定电机效率的重要因素。