dye penetrant inspection是什么意思

用法例句

Dye penetration showed that the length of dye staining was no significant difference among all groups.

每组随机选8颗牙扫描电子显微镜(SEM)观察;剩余8颗与对照组,采用冷牙胶侧方加压法根管充填后,进行染料渗透实验。