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安全停输时间
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安全停输时间
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安全停输时间
释
safety shutdown time
安全停输时间
在管道的总传热系数、管径、允许的起输温度和管道输量确定条件下,根据管道内介质停输后的温降规律和管道内介质的凝固点高低而确定的能保证管道流动安全的停输时间。又称允许停输时间。
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geography base map data acquisition
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geography of forestry
geography of goods flow
geography of highway transportation
geography of language
geography of mountain
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