装置采用五隔板四柱式刚性机架，且五隔板的中心通孔形成了机架的中心基准；
The device adopted a five-dummy-plate four-post framework and the five dummy plates' center through holes formed the center datum of the framework;
机架刚性好，防止变形。
它具有机架刚性高、生产效率高、自动化程度高以及抗偏载能力高等优点。
This product line has many advantages, such as good rigidity, high efficiency, high automaticity, strong resistance of deflecting load and so on.
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