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When protecting steel, cast iron, or copper, the anode material can be magnesium, zinc, or aluminum.
当保护钢、铸铁或铜时,可选锰、锌和铝作阳极材料。
youdao
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When protecting steel, cast iron, or copper, the anode material can be magnesium, zinc, or aluminum.
当保护钢、铸铁或铜时,可选锰、锌和铝作阳极材料。
youdao