研究表明本文采用的弯导叶方案没有提高级效率。
The efficiency of the stage with four different stators is presented.
因此，如何提高级进模设计和制造的效率是一个急待解决的问题。
Therefore, how to improve the efficiency of the design and the manufacture is a pressing issue.
将并行工程思想应用于级进模设计，是提高级进模设计效率、降低设计开发成本的有效手段。
It's an effective methods to raise the efficiency of progressive die design and decrease the development costs implementing concurrent engineering in progressive die design.
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