失光又称倒光，是指有光漆成膜后无光泽或漆膜干后当时有光泽，在短期内光泽逐渐减退的现象。
n. chalkiness
处理后表面洁净、失光、褪色、泛黄。
采用膜超滤技术可有效除去白酒因高级脂肪酸乙酯含量过高降度后出现的浑浊、失光现象。
In the production of low alcohol liquor, the alcohol dropping process would induce the turbidity of liquors with the excessive higher contents of higher fatty acid ethyl esters.
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.
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