If staining, we must use an organic dye, that is, natural vegetable dyes, and dyeing process, chemical synthesis may not add any additives.
如果染色,必须用有机染料,也就是纯天然的植物染料,并且在染色过程中,不得添加任何化学合成助剂。
If staining, we must use an organic dye, that is, natural vegetable dyes, and dyeing process, chemical synthesis may not add any additives.
如果染色,必须用有机染料,也就是纯天然的植物染料,并且在染色过程中,不得添加任何化学合成助剂。
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