An example of some structural elements is shown in Figure 1.

图1提供了结构元素的例子。

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I want the ramps and three structural elements to stand out in the section.

我希望坡道和三个结构元素突显在剖面图中。

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I want the ramps and three structural elements to stand out in the section.

我希望坡道和三个结构元素突显在剖面图中。

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