3D格式转化
将SolidWorks绘制好的零件导入新迪CAD中，零件设计树的建模特征就消失没了，只有一个体特征，这个该如何解决？或者说我的操作哪里有问题？data:image/png;base64,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操作没问题，第三方的导入进来通常只有一个零件副本。可以转为同步建模（直接建模），不影响后序的修改。操作方法可参考https://tieba.baidu.com/p/10465906730此链接。 贴图啊
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