In the simulation of close gas test, the location of most possible leakage of pipe is judgedaccording to the changing speed of gas pressure at difference leakage positions.
在闭气试验时，可通过不同漏气点压力值的变化速度的快慢来判断最不利管段的位置。
参考来源 - 无压管道严密性试验原理分析·2,447,543篇论文数据，部分数据来源于NoteExpress
根据对高压气体绝热流动规律的分析，建立了闭气试验定量数学模型。
On the basis of analysis of thermal insulating flow for high pressure air, the quantitative mathematical model for closed air test was built.
闭水试验和闭气试验是无压管道进行严密性试验最常采用的两种试验方法。
Two commonly used methods of pressurization test of pipelines with free-surface in best common are close water test and close gas test.
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