采用直接式磨头电机，结构紧凑，噪音低；故障少；

With direct type wheelhead generator, structure is compact, noise is low , fault is few;

youdao

采用直接式磨头电机，结构紧凑，噪音低；故障少；

With direct type wheelhead generator, structure is compact, noise is low , fault is few;

youdao