曾在修补其余21个原始焊缝上进行了着色渗透和磁粉探伤检查。
Dye-penetrant and magnetic particle inspection techniques were used on the repaired and other 21 remaining original welds.
指出，只有采用湿萤光磁粉探伤法才能有效地检查在湿硫化氢环境下操作的容器可能产生的裂纹。
It was pointed out that the crackles produced on vessels operating under wet H2S circumstance can only be detected effectively by the wet magnetic powder fluorescent method.
经常将荧光材料与磁粉相结合以便在紫外光下很容易用肉眼检查出不连续性。
Frequently, a fluorescent material is combined with the particles so that discontinuities can be readily detected visually under ultraviolet light.
经常将荧光材料与磁粉相结合以便在紫外光下很容易用肉眼检查出不连续性。
Frequently, a fluorescent material is combined with the particles so that discontinuities can be readily detected visually under ultraviolet light.
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