Based on the study of machine mechanism of PMD EDM, its rough machine efficiency and rough machine surface roughness are experimentally researched.
在对混粉电火花加工机理进行系统研究的基础上，对混粉电火花粗加工中的加工效率和加工表面粗糙度进行了实验研究。
Based on the study of machine mechanism of PMD EDM, its rough machine efficiency and rough machine surface roughness are experimentally researched.
在对混粉电火花加工机理进行系统研究的基础上，对混粉电火花粗加工中的加工效率和加工表面粗糙度进行了实验研究。
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