建立在大型铸铁件生产基础上的的翻译：Built on a foundation of large iron castings production 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Large cast iron production on the basis of

Built on a foundation of large iron castings production

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In a large cast iron building on the basis of production

Built on a foundation of large iron castings production