围绕K值展开讨论，提出一种符合现行标准、规程要求的标准椭圆封头拼接焊缝的射线探伤工艺。
By a discussion on K value, the radiographic technology for the butt welds in standard elliptic sealing heads consistent with current standards and regulations is presented.
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.
对《锅炉强度计算标准应用手册》中出现两个不同椭圆封头壁厚计算公式进行分析，并提出一个统一的公式。
Two different thickness calculation formulas of ellipse head presented in the "Application Manual of calculation Standard of Boiler Strength" was analyzed, and a united formula was put forward.
运用薄膜理论分析了旋压椭圆形封头的本质及其应力分布，指出了它与标准椭圆形封头不等效的原因及替代关系。
The reason of non equality and the replacement relation between standard elliptical head and spinning elliptical head are also introduced.
运用薄膜理论分析了旋压椭圆形封头的本质及其应力分布，指出了它与标准椭圆形封头不等效的原因及替代关系。
The reason of non equality and the replacement relation between standard elliptical head and spinning elliptical head are also introduced.
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