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.
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.
通过改进拉伸凸模结构，提高球面轴承座模具加工质量。
Through improving the punch structure, improved the spherical surface bearing housing die machining quality.
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.
在支撑臂定位座的上壁顶口处对应支撑臂的滑动槽设置凸形滑动块；
The location slider of the support arm is cooperated to the sliding-groove of the sliding column to form to sliding mechanism.
在支撑臂定位座的上壁顶口处对应支撑臂的滑动槽设置凸形滑动块；
The location slider of the support arm is cooperated to the sliding-groove of the sliding column to form to sliding mechanism.
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