phantom circuit loading coil

例句：

1. 1. The phantom circuit in the old house was causing a lot of problems.
   旧房子里的幻影电路造成了很多问题。
2. 2. The engineers were able to design a phantom circuit that could detect and isolate faulty components.
   工程师们设计出了一个幻影电路，能够检测并隔离故障组件。
3. 3. The phantom coil in the device was designed to improve its efficiency.
   设备中的幻影线圈被设计来提高其效率。