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不圆度 [bù yuán dù]
bore out of round
boreoutofround
boreoutofround
- 结果表明：在桔瓣数目一定的情况下，减少极板尺寸可以降低多而壳体成形过程中应力应变水平，并得到不圆度小的球形容器。
The result shows that the dimension's decreasing of polar plate can make the level of stress and strain decrease during hydrobulging and the spherial vessels with smaller ovality can gained. - 摘要利用三维数值模拟方法，对假想无裂纹的单曲率多面壳体模型上极板尺寸发生变化时胀形过程中应力应变的分布、胀形结束后多而壳体的不圆度等进行了计算和比较。
3D Numerical Simulation of Finete Element Method (FEM) program is used to calculate and analyse the distribution of stress and strain during hydrobulging, the ovality of single-curvature polyhedron after being hydrobulged while the dimension of polar plate of single-curvature polyhedron without the flaw of imaginary crack changes. - 不旋转阀杆避免了圆度和直度偏差，并且具有相当好的表面光洁度。
Non-rotating stem has close roundness and straightness tolerances and is burnished for a superior surface finish.
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