As such, chromium - a trace mineral like iron and zinc - is not part of basic? Trace mineral premixes used in pig and poultry feeds worldwide.

就其本身而言，铬作为一种像铁和锌的微量元素，但在全世界的猪、禽预混料中并不是一种基础微量矿物质。

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Pass splendid specimens of Anglo Norman architecture, pass pedestrians and pederasts, open hearth furnaces, basic Bessemer mills, dynamos and transformers, pig iron castings and steel ingots.

机车经过盎格鲁-诺曼式建筑的堂皇标本，经过了步行者和男同性恋者、天冶炼炉、用贝塞麦法的磨坊、电机和变压器、铁块和钢锭。

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Pass splendid specimens of Anglo Norman architecture, pass pedestrians and pederasts, open hearth furnaces, basic Bessemer mills, dynamos and transformers, pig iron castings and steel ingots.

机车经过盎格鲁-诺曼式建筑的堂皇标本，经过了步行者和男同性恋者、露天冶炼炉、使用贝塞麦法的磨坊、发电机和变压器、生铁块和钢锭。

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