Combined with 3d solid modeling, the classification of cutaway drawing and cutaway plane are introduced.
结合三维实体造型的特点，介绍了剖视图与剖切面的分类。
Therefore, it is significant to implement parametric 3d solid modeling and engineering drawing for improving quality of design, shortening period of design, reducing cost and realizing CAM.
因此，实现螺杆的造型设计和工程制图的参数化，对于提高设计质量、缩短设计周期、降低设计成本以及实现CAM，是一项非常有现实意义的工作。
The solid modeling system is subsidiary to "Boiler CAD Application System". 3D Solid modeling is basis of FEM analysis and pipe line interference check.
锅炉三维造型系统是锅炉CAD应用系统的子系统，三维实体建模是进行有限元分析和空间管路干涉检查的基础。
According to the intermeshing mechanisms of co and counter rotating twin screws, the 3D solid modeling of twin screw was realized by using Mechanical Desktop(MDT) of AUTODESK in this paper.
本文根据双螺杆横截面几何造型方程，运用MDT软件包，实现了同向和异向旋转双螺杆的三维实体造型。
According to the intermeshing mechanisms of co and counter rotating twin screws, the 3D solid modeling of twin screw was realized by using Mechanical Desktop(MDT) of AUTODESK in this paper.
本文根据双螺杆横截面几何造型方程，运用MDT软件包，实现了同向和异向旋转双螺杆的三维实体造型。
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