dye-penetrant inspection

例句：

1. 1. Before the dye-penetrant inspection, we had to clean the sample thoroughly.
   在染料渗透检查之前，我们必须彻底清洁样品。
2. 2. The dye-penetrant inspection is crucial for detecting any defects in the fabric.
   染料渗透检查对于检测织物中的任何缺陷至关重要。
3. 3. During the dye-penetrant inspection, the technicians carefully examined the samples under a microscope.
   在进行染料渗透检查时，技术人员仔细地在显微镜下检查样本。