通过对三个管件的裂纹部位的检测实验，找出裂纹宽度与漏磁场的最大值和变化梯度之间的关系。
Through the examination experiment on three tube pieces' crack part, the relation of crack width, the maximum of leak magnetic field and differential coefficient is found out.
为了对密封件的漏孔提出定量分析的概念，举例说明了漏孔漏率的计算步骤。
An example illustrating the procedure of calculating the rate of leakage of the leak holes is proposed to give a concept of quantitative analysis of the leak holes in seals.
为了对密封件的漏孔提出定量分析的概念，举例说明了漏孔漏率的计算步骤。
An example illustrating the procedure of calculating the rate of leakage of the leak holes is proposed to give a concept of quantitative analysis of the leak holes in seals.
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