The frame node as the research object, analyzes machining problem about multi-surface inclined-hole processing, a way to express 2D view were presented;
以网架球为研究对象，分析族类零件多面斜孔的设计加工难点，提出一种平面形体的表达方法；
The frame node as the research object, analyzes machining problem about multi-surface inclined-hole processing, a way to express 2D view were presented;
以网架球为研究对象，分析族类零件多面斜孔的设计加工难点，提出一种平面形体的表达方法；
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