分析了汽车驱动齿轮的冷模锻工艺。
The cold forging process of the driving gear for automobiles was analyzed.
提出了采用模锻工艺成形铁路货车支撑座的方法。
The method to form supporting pedestal of railroad lorry by die forging was proposed.
结果表明，闭式精密模锻工艺的新方法是十分有效的。
The results have shown that the new way of precision die forging is very efficient.
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