从弹簧刚度、整定压力范围，讨论了针对安全阀同一口径，在整定压力和回座压力比较接近的情况下，弹簧的优化设计。
From spring rigidity and range of set pressure, spring optimize design to same diameter's safety valve at set pressure near blow-down pressure are discussed.
从弹簧刚度、整定压力范围，讨论了针对安全阀同一口径，在整定压力和回座压力比较接近的情况下，弹簧的优化设计。
From spring rigidity and range of set pressure, spring optimize design to same diameter's safety valve at set pressure near blow-down pressure are discussed.
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