【电学】转接器材【电学】转接器,

利用四分之一波长转换器原理，结合填充材制成电磁波吸收体。

摘要文章讨论了正交模格上的换位子及关联算子之间的联系。

确定一下碳刷与换向器是否保持良好的接触，是非常必要的。

ac commutator machine, converter-fed

series winding commutator machine having series winding

commutator

motor acing also as generator , commutator machine

carbon commutator

ac commutator machine

commutator machine with brake

resistive connections between winding and commutator, machine