On the Basis of an experiment on the dyeing technology of solubilized vat dyes on chinlon, the light-degradation of the fibre is emphatically discussed.
在对增溶的还原染料在棉绒上进行染色实验的基础上，着重讨论了纤维的光降解性。
2
The worker is dyeing cloth in a VAT.
工人正在一个大桶里染布。
3
Dye VAT is a key equipment in printing and dyeing industry.