染色斑点的英文

dye speck

dyeing speck

• 染色:    dye; dyeing; colou ...
• 斑点:    spot; stain; speck ...
• 灰色斑点:    gray corrosion

例句与用法

1. Anodizing of aluminium and aluminium alloys - assessment of quality of sealed anodic oxide coatings part 4 : dye spot test with prior acid treatment
   铝及铝合金阳极氧化氧化膜封孔质量的评定方法第4部分：酸处理后的染色斑点法