这些椅子外形和颜色都一模一样。

The chairs looked the same in form and colour.

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落料凸模内装有导正销，保证了工件上孔和外形的相对位置准确，提高了加工精度。

Blanking punch contents is a derivative sales, and guarantee the workpiece and the shape of the holes in the relative position accurately, improve processing accuracy.

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文中论述了构形设计的任务、基本要求、外形与布局的关系以及模装的作用。

In this article, the relations among mission, basic requirements, contour and distribution of the configuration design are discussed, and the functions of model rigging is introduced, too.

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