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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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。

youdao