It is composed of a primary winding, secondary winding and core of softiron.
点火线圈有初级线圈、次级线圈和铁芯组成。
2
The best core consists of a bundle of softiron wires held together by a wrapping of cloth, cord or other binder.
最好的核心组成举行的布包裹，绳索或其他粘合剂在一起的软铁丝捆绑。
3
The so-called iron-core inductor, inductance refers to media for the electrical circuit components of softiron, steel and other iron core inductor coil media.