The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.
断面形状为沿对称轴对折的椭圆，此对称轴始终垂直于轴截面，其方向与平面图上的流道中线无关。
The cross-section symbol of the pattern fill is a necessary material marker for the cross-sectional view of the solid object.
填充图剖面符号是机械制图、建筑制图中实体剖视图必不可少的材料标识。
With the ordinary camber used as auxiliary cross section, the line of intersection of two biasing single cambers is worked out in a view with the method for line of nodes.
本文以一般位置平面为辅助截平面，用求迹线方法，在一个视图求作两单曲面偏交交线。
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