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阐述该用检查关节轴承用的整体式沟位置检查样板改为组合式。文中列举改革前后两种样板的优缺点。附图5幅。
Describe the use of inspection joint bearings monolithic groove position inspection model changed to modular. The article lists the pros and cons of the two models before and after the reform. Figure 5 Figure.