However, this is very inefficient, and we will try to demonstrate some techniques for drawing only the relevant section of screen later on.
然而,这是非常没有效率的,而且我们将尝试在后面演示一些仅仅画出相关屏幕部分的技术。
This section drawing shows how the disc system goes together.
本节绘图显示了如何光碟系统云在一起。
Section views in various shapes appear when we construct detail and assembly drawing for the mechanical devices.
在绘制机械设备的零件图和装配图时,会遇到各种形状的剖视图。
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