1. 轴对称：轴承座 bearing carrier | 轴对称 axial symmetry | 轴对称;旋转对称 rotational symmetry
2. 轴对称,轴向对称：axial substitution || 轴向取代 | axial symmetry || 轴对称,轴向对称 | axial tensile force || 轴
3. 轴向对称：axial symmetric strain || 轴向对称应变 | axial symmetry || 轴向对称 | axial tension || 轴向拉力, 轴向拉伸