怎么确定初级线圈的极性？
点火线圈有初级线圈、次级线圈和铁芯组成。
It is composed of a primary winding, secondary winding and core of soft iron.
有一种方法是把初级线圈和次级线圈绕在这个地方。
In one way, primary and secondary coils 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。
In one way, primary and secondary coils are wound around the space.
应用推荐