permanent elasticity
永久的弹性
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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