Application: Medium and large size electromotor, engine, principal axis of machine tool and so on.

应用领域：中大型电动机，发动机，车床主轴等。

youdao

Application: Medium and large size electromotor, engine, principal axis of machine tool and so on.

应用领域：中大型电动机，发动机，车床主轴等。

youdao