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Research of Heterogeneous Type Piston Pin Boss Hole Closed Loop Processing System.
异型活塞销孔闭环加工系统研究；
youdao
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Research on boring mechanism for piston noncircular pin hole;
简述了采用活塞异形销孔的必要性及其结构特点。
youdao
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Research on boring mechanism for piston noncircular pin hole;
简述了采用活塞异形销孔的必要性及其结构特点。
youdao