non-ferrous raw material
...n-ferrous precise casting technology of gypsum model 石膏模非铁金属精细铸造技巧 non-ferrous raw material 有色金属原材料 non-ferrous rolling mill 有色金属轧机 ..
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·2,447,543篇论文数据,部分数据来源于NoteExpress
在股市危机,首先出现在清单的非有色金属工业,这是原材料价格上涨的行业。
Crisis in the stock, first appeared in the inventory of non-ferrous metals industry, it is raw materials prices up to the industry.
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有色金属是我国原材料工业的重要组成部分。
Nonferrous metals is the important part of original material industry in our country.
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