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对称性图纸
1、counterchange symmetry───反变对称
2、baculite symmetry───杆菌对称性
3、flatworm symmetry───扁虫对称性
4、radial symmetry───径向对称，放射对称；辐射对称；[数]径向对称；放射对称
5、merostomata symmetry───口角对称性
6、drawing───v.绘画；吸引（draw的ing形式）；拖曳；n.图画；牵引；素描术
7、reflectional symmetry───射对称
8、rotation symmetry───旋转对称
9、symmetry───n.对称（性）；整齐，匀称
1、In a non-rotational symmetry drawing, material of flange on blank holder face is the main body of deformations, and has direct effects on the formability of drawing.───非回转对称拉深成形过程中 ，压料面上法兰材料是变形的主体 ，直接影响到拉深成形性。
2、problem on computing blank size also exists in sheet forming, such as spreading size of bending piece, blank size of axial symmetry parts by deep drawing.───板材成形中同样存在着计算坯料尺寸的问题，如弯曲件展开尺寸的计算，轴对称拉深件坯料尺寸的确定等。
3、On the Law of Material Deformation of Flange in a Non-rotational Symmetry Drawing───非回转对称拉深中法兰材料变形规律的研究
4、With upper bound method and least energy principle, the conditions are established of drawing and breaking workpiece with cross wedge rolling technique to form axial symmetry spare parts.───利用上限原理和最小能量原理，获得了用楔横轧工艺成形阶梯轴类件时杆部拉断的条件。