304 bakin karfe sumul bututu lalacewa sabon abu ne sosai na kowa, da yawa dalilai na wannan sabon abu da physico-chemical da kuma na inji sassa, yafi ta abrasive lalacewa, m lalacewa (manne), gajiya lalacewa (pitting) lalata da lalacewa.304 bakin karfe sumul bututu da kuma sa kusan duk pro ...
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