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1. Above result revealed that multidirectional closed die forging of spiral bevel gear was feasible.
   揭示了使用复动闭式模锻模具成形小锥角螺旋伞齿轮的可行性。
2. It has elaborated the advantages replacing open -die forging with flashless die forging technology.
   阐述了用闭式模锻工艺代替开式模锻的优点。