本文研究的是异步电动机串级调速的原理以及串级调速的机械特性。

The principle and mechanical properties of such speed regulation is discussed is this paper.

youdao

本文研究的是异步电动机串级调速的原理以及串级调速的机械特性。

The principle and mechanical properties of such speed regulation is discussed is this paper.

youdao