The utility model has the advantages of novel structure, high strength, small permanent compression deformation, good elasticity and superior flexibility and is a novel plastic high pressure hose.

该管结构新颖、强度高、永久压缩变形小、弹性好，可挠性优良，适用范围广，是一种新型的塑料高压软管。

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The method of photo elasticity is discussed in measuring peripheral stress concentration of rectangular ports on the shape shell under the axial compression.

在轴向压缩下，台形壳体上方形孔周边的应力集中问题，用光测弹性方法测量； 关于孔边的最大应力分布实验及理论数据的比较。

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