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。
2
The method of photo elasticity is discussed in measuring peripheral stress concentration of rectangular ports on the shape shell under the axial compression.