各种物性参数均遵循近似椭圆规律变化。

All the above physical parameters conform the approximate ellipse law.

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结果表明，冷旋近似椭圆封头是碟形封头。

The result shows that the former is the dished heads.

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本文对冷旋压近似椭圆形封头代替标准椭圆形封头进行了分析。

In this paper an analysis of substitution of cold spinning approximate ellipsoidal heads for Standard ellipsoidal head is presented.

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