metallurgical
美 [ˌmɛtəˈlɜrdʒikəl]英 [ˌmetə'lɜ:dʒɪkl]
- adj.金相的
- 网络冶金的;冶金学的;冶金工业

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There is always a great deal of burden calculation in production of metallurgical auxiliary materials and development of new products.
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