In one way, primary and secondarycoils are wound around the space.
有一种方法是把初级线圈和次级线圈绕在这个地方。
2
The machine can perform two-wire, three-wire and multi-wire parallel winding or flat copper wire winding to completely resolve the mechanical winding of voltage transformer secondarycoils.
该机可进行双线、三线多线并绕或扁铜线绕制，使电压互感器二次线圈采用机械绕制的问题得到彻底解决。
3
In WiTricity’s demo, the company embedded metal coils in an iPhone and in a secondary device that resembled a large radio antenna.