分析了汽车喷漆过程中漆膜出现收缩、刮痕及失光等缺陷的原因，并提出了预防和修补措施。
Causes for coating defects such as cissing, scratch and non gloss in spray painting of automobile were discussed, preventive and remedial measures were presented.
分析了铜合金制品缩尾缺陷的产生原因，并提出了相应的预防措施。有效减少缩尾缺陷，提高产品质量和经济效益。
The causes of back end defects of copper alloy extruded products were analyzed, provide preventive measures, the product quality had been improved effectively, thus achieving good economic benefit.
分析了中温磷化可能产生的缺陷，提出了出现缺陷的处理方法和应采取的预防措施。
The key factors and method of Control are Pointed, the article analyses the probable defect and takes the treatment method and precautionary measure.
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