Stress intensity evaluation shows that the spherical tank is safe under design condition.
应力强度评定结果表明，该球壳结构在设计条件下满足设计规范要求。
In summary, the stress analysis, the stress intensity evaluation and the optimization for the ultra-high pressure polythene reactive tube have been carried out.
对超高压聚乙烯反应管进行了应力分析、强度评定及结构的优化设计等项研究。
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