Na mmepụta omume, alternating ugbu a na-ejikarị eme ihe mgbe ịgbado ọkụ aluminum, magnesium na ha alloys, nke mere na na usoro nke alternating ugbu a ịgbado ọkụ, mgbe workpiece bụ cathode, ọ nwere ike wepụ oxide film, nke nwere ike wepụ oxide film guzobere na. elu nke mol...
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