截面图指所截开部分的投影，其形状表示被切物体。多用于要求不是很严格的领域，如表示房子内部形状，柜体的内部形状，高中物理做受力分析时常用的也是截面图。
医用B超换能器用于产生二维超声截面图。
B-Scan transducers are used to create an ultrasonic two-dimensional cross section view.
附图5是在外表面上具有保护带的喷嘴层的截面图。
FIG. 5 is a cross-sectional view of a nozzle layer with protective tape on an outer surface.
我也喜欢将平面图和立面图与截面图联系在一起，这样人们更容易看出它们之间的关系。
I also like to combine floor plans with elevations and sections so that the viewer can better see the relationship between them.
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