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。
The utility model discloses a multifunctional elevator door machine mechanism used for manipulating elevator doors. The elevator door machine mechanism comprises a motor and a driving belt.
本实用新型公开了一种用于操纵电梯门的多功能电梯门机机构。
The utility model discloses a multifunctional elevator door machine mechanism used for manipulating elevator doors. The elevator door machine mechanism comprises a motor and a driving belt.
本实用新型公开了一种用于操纵电梯门的多功能电梯门机机构。
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