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    1◀管道工程▶ 天然气分输减压阀流场分析及耦合应力场计算 ∗ 张 波 1 李玉坤 1 井荣娟 2 (1􀆰 中国石油大学 (华东) 2􀆰 新奥集团股份有限公司) 摘要: 减压阀结构复杂, 在工况压力下变形不协调, 应力集中严重, 容易造成阀体的强度失 ...

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