复数： fastnesses

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Influence of diffusibility of disperse dyes on color fastness .

分散染料扩散性能对染色牢度的影响。

Leather -- tests for colour fastness -- colour fastness to mild washing .

皮革--色牢度试验--耐揉和洗涤色牢度。

The rebels have withdraw to their mountain fastness for the winter .

叛军撤至他们的山寨过冬。

Reactive dye stuff forms oxygen bond with cellulose fibre , therefore color stays , it mean good fastness .

活性染色的染料能促使氧分子与面料纤维的结合，所以颜色能留在布料上，也就是说色牢度好。

Guangdong , the middle class children 's clothing is not the main ingredients are standard , as well as non-standard color fastness .

广东，中产阶级童装不是主要成分是标准的，以及非标色牢度。