After receiving a master's degree, he found a research position at the General research Institute of Nonferrous Metals in Beijing.
在获得硕士学位后，他在北京有色金属研究总院研究部门找到一份工作。
Gas stirring is a common technology used in both nonferrous metallurgy and ferrous metallurgy.
气体搅拌是有色金属冶金与钢铁冶金中常用的一种技术。
Powder metallurgy is a highly developed method of manufacturing reliable ferrous and nonferrous parts.
粉末冶金是一种高度发达的制造可靠铁或非铁零件的方法。
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