Since it is impossible to know the consequences of allthese variables each time paint is applied, a simple field method is needed toarrive at the proper pressure.

鉴于每次喷涂时不可能知道是哪些变量所造成的结果，所以需要一个简单的现场试验来判断压力是否合适。

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Basing on the laws, the paper applies the pressure-flow distinguishing method into the pipeline leak detection, and through using the method of detecting the time of pressure fall.

结合此规律，将压力流量联合判别法应用于管道泄漏检测中，并通过捕捉压力波的突降时刻进行管道泄漏点定位。

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On the basis of discussion, improves the defrosting control method of "time-temperature-pressure" and points out the improving direction of the novel defrosting method.

在此基础上改进了“时间—温度—压力”的融霜控制方法，并提出了需要继续开展的工作。

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