A cikin gazawar samfuran motoci, ɓangaren stator galibi yana haifar da iska. Bangaren rotor ya fi zama na inji. Ga rotors rauni, wannan kuma ya haɗa da gazawar iska. Idan aka kwatanta da injin rotor na rauni, rotors na aluminum da aka jefa ba su da yuwuwar samun matsaloli, amma sau ɗaya ...
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