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2013-05-23 12:21
求翻译：Aluminum or aluminum alloy (hereinafter collectively referred to as "aluminum") is often surface treated to improve its hardness and resistance to corrosion, as well as to provide a substrate for depositing organic dyes or inorganic metal salts. Such treatments generally involve laying down a porous film or coating of 是什么意思？ 待解决
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Aluminum or aluminum alloy (hereinafter collectively referred to as "aluminum") is often surface treated to improve its hardness and resistance to corrosion, as well as to provide a substrate for depositing organic dyes or inorganic metal salts. Such treatments generally involve laying down a porous film or coating of
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