dye spot meaning in English

染料飞溅
色斑（纸博

Test methods for sealing quality of anodic oxide coatings on aluminium and aluminium alloys - part 1 : dye spot test method
铝及铝合金阳极氧化覆层密封质量试验方法.第1部分:染料点滴试验方法
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
Aluminium and aluminium alloys - anodizing - estimation of loss of absorptive power of anodic oxidation coatings after sealing by dye spot test with prior acid treatment
铝和铝合金.阳极氧化.预先酸处理的染料污点密封试验的阳极氧镀层吸收强度损失评估
Aluminium and aluminium alloys . anodizing . part 4 : estimation of loss of absorptive power of anodic oxidation coatings after sealing by dye spot test with prior acid treatment
铝和铝合金.阳极化.用预先酸处理的染色点试验评定密封后阳极氧化层吸收能力的损失
Aluminium and aluminium alloys - anodizing - part 4 : estimation of loss of absorptive power of anodic oxidation coatings after sealing by dye spot test with prior acid treatment ; german version en 12373 - 4 : 1998
铝和铝合金.阳极处理.第4部分:采用在酸处理之前用着