A rotating commutator on the dc machine, used as an exciter, was a common means for achieving rectification in the past.

在过去，直流励磁机上的旋转整流子是用作整流的普遍措施。

youdao

A rotating commutator on the dc machine, used as an exciter, was a common means for achieving rectification in the past.

在过去，直流励磁机上的旋转整流子是用作整流的普遍措施。

youdao