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本文推出了液体渗透公式并以简单试验初步得到了证明。本文还讨论了润湿作用,表面张力、保留性能对渗透探伤灵敏度的影响。
In this paper, the liquid infiltration formula is introduced and initially proved with a simple test. The paper also discusses the effect of wetting, surface tension and retention on the sensitivity of penetration testing.