利用单元刀片形成的凸座增加防变形强度，而能采用较薄的钢板来冲裁，降低材料成本。

The protuberant bases formed by utilizing the unit knife blades increase the anti-deformation intensity, can adopt thinner steel plates for blanking, and reduce the cost of materials.

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阿曼一座新月形的沙丘脊由强信风吹成，在迎风的方向（图左侧）形成一面平缓的凸破，在背风面形成凹坡。

This crescent-shaped ridge of sand dune in Oman was formed by strong trade winds that form a smooth hill facing the wind (left) and concave slipface on the back.

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从而，当需 要改变冲击吸收板的结构的时候，可移动的凸台可根据需要设置在底 座板上。

Thus, when it is required to change the structure of the impact absorption plate, the removable bosses may be rearranged on the base plate as desired.

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