提出研制经济型数控镂铣机的必要性，并介绍了整机和关键部件的结构。
The necessity of developing economical CNC router is suggested and the structures of complete machine and main components are introduced.
提出研制经济型数控镂铣机的必要性，并介绍了整机和关键部件的结构。
The necessity of developing economical CNC router is suggested and the structures of complete machine and main components are introduced.
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