nonferrous metals engineering research
nonferrous metals engineering research
有色金属工程研究
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The home made first full rolling oil regeneration system has been developed by Luoyang Engineering and Research Institute for Nonferrous Metals Processing in recent years.
近年来，洛阳有色金属加工设计研究院自主开发研制出了国产第一台轧制油全油回收系统。
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