1)cylindrical rotor motor,隐极电动机2)non salient pole motor,隐极电动机3)non salient pole,隐极4)non-relient pole,隐极5)Round rotor machine,隐极电机6)cyindrical rotor,cylindrical rotor non-salient-pole rotor,隐极转子7)non salient pole machine,隐极电机8)non salient pole rotor,隐极转子9)non-salient pole machine,隐极电机10)non-salient pole machine,隐极机