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铁的腐蚀。红色氧化物沉积在金属表面。
Corrosion on iron. Red oxide deposits on the surface of the metal.
youdao
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除鳞(即除去金属表面的金属氧化物)是线材生产中一道重要工序。
Scaling is an important sequence of the operation in wire-rod production.
youdao
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除鳞(即除去金属表面的金属氧化物)是线材生产中一道重要工序。
Scaling is an important sequence of the operation in wire-rod production.
youdao