短语词组短语Single -phase outer-rotor motor 单相外转子电动机Outer Rotor Assembly 外转子总成outer rotor motor 外转子电动机cycloidal gear outer rotor 摆线齿轮外转子NdFeB outer rotor 高性能钕铁硼外转子rotor outer diameter detail 转子外径rotor outer drive 转子外驱动 返回 outer rotor